Junior high school in Peking City graduate

Junior high school in Peking City graduation, enter higher school to unify examination physics to try
â…  Book(choice, total 50 cents)
A, each following small all has four optionses and among them, only 1 match an idea.(Total 44 cent, each small 2 cent)
1.In the international unit system, the unit of dint BE
[ ]
A.Thousand grams of Bs.Newton
C.Burnt ear D.Watt
2.In the physical laboratory, instrument or tool which measure quality BE
[ ]
A.Graduated cylinder B.Spring balance
C.Weighing scales D.Barometer
3.Usually under the circumstance, in the following material what to belong to conductor BE
[ ]
A.Metals B.Porcelain and ceramics
C.Rubber D.Glass
4.The electric power form connects in the family electric circuit is for measure
[ ]
A.Electric voltage B.Electric current
C.Give or get an electric shock achievement D.Give or get an electric shock power
5.In the following and simple machine, what to belong to labor-saving lever BE
[ ]
A.The bottle covers screwdriver B.Forceps
C.Weighing scales D.Settle pulley
6.Following thing Tai variety process in, absorb calories of BE
[ ]
A.Melt B.Ning Hua
C.Solidify D.Liquefy
7.In the following device, make use of what the principle of electromagnetic induction work BE
[ ]
A.Generator B.Electric light
C.Iron D.The electricity hot irons
8.Can enlarge to press in the following case strong BE
[ ]
A.Build sleepers under the steel rail of railroad
B.Take the schoolbag make out the breadth be some
C.The knife, the ax, shear of the blades all whet very thin
D.Install track on the wheel of tank
9.The car evenly and soon drives on the straight and even superhighway, passed the road of 150 meters for 10 seconds, the speed of the car BE
[ ]
The A.1500 meters/seconds B.160 meters/seconds
The C.50 meters/seconds D.15 meters/seconds
10.In following thing Tai variety process, what to belong to liquefaction phenomenon BE
[ ]
A.The wet clothes become dry
B.The morning in summer, appear dew drops on the lawn
C.In winter, water becomes ice
D.Put more and more small in the mothball in the wardrobe
11.When use the projector projected a Huan light, the slide is on the screen become of seem
[ ]
A.The real image B that the handstand enlarge.BE sign etc. big real image
C.The real image D that the handstand contract.The real image been sign to contract
12.In the following phenomenon, what to belong to refract of light phenomenon BE
[ ]
A.Inclined insert aquatic chopsticks, see from the surface, the underwater part was upward curved to fold
B.See ownly be like from the flat surface mirror
C.Only project light upon in the sun the tree appeared shadow
D.The quiet surface mappings coast of scenery
13.In the figure 1 show of the electric circuit, two lamp bulbs constitute what to merge electric circuit BE
[ ]
14.In the figure 2 show of the electric circuit, if the diagraph pass the electric current of the lamp bulb L1, should establish electric current form to connect in the electric circuit of
[ ]
A.a B.b
C.c D.d
15.Resistivity for after two electric resistances of 10 Europes merge, its etc. effect electric resistance is
[ ]
The A.5 B.10 Europeses, Europe
The C.20 D.40 Europeses, Europe
16.A, B two object quality equal, if their specific heat of compare to 2:1, go up of temperature of compare to 2:1, then A, B two object absorb of calories of ratio is
[ ]
A.1:1 B.l:2
C.1:4 D.4:l
17.Belong to in the following phenomenon inside can what to convert into a machine ability BE
[ ]
A.Use to inflate a tube to inflate, the air pump wall have fever
B.Saw to have fever while sawing wood
C.Iron with the iron
D.The steam inflation in the tube been heat does an achievement, take care of to fill to release a tube
18.A book puts on the level table's top, static, in eachly followingly the rightness the dints what to belong to equilibrant BE
[ ]
A.Book to the pressure of table's top and to the support dint of the book
B.Gravity and ground that the table be subjected to are to the support dint of the table
C.Gravity and book that the book be subjected to are to the pressure of table's top
D.Gravity and table's top that the book be subjected to are to the support dint of the book
19.There are two cylinder AN and B which make into with the of same race material, the A height is a B height of 300%, keep A Shu to put on the level ground, the B Shu keeps put on the A, such as figure 3(A) show, the A presses ground at this time strong press A with B strong compare to 3:1.If A, the B still puts on the level ground after set upside down, such as figure 3(B) show, the A then presses B strong press level ground a strong ratio with B BE
[ ]
A.1:3 B.1:2
C.4:1 D.1:l
20.In the figure 4 show of the electric circuit, power supply electric voltage and lamp bulb electric resistance keep constantly, shut to match switch S and change glide to Zu machine of slippery slice the P rightwards moves, then
[ ]
A.Electric current means number aggrandizement, the electric voltage mean the number let up
B.The electric current mean the number let up, the electric voltage means a number aggrandizement
C.Electric current means number aggrandizement, the electric voltage means a number aggrandizement
D.Electric current means that the number let up, the electric voltage means that the number let up
21.The wood piece A flotage is on the surface in the container, it up puts a piece of piece of stone B, such as figure 5 show, at this time wood piece A row the physical volume of the boiled water is V1.If piece of stone B the AN up dismantles from the wood piece, put into water and hold still, wood piece AN and the piece of stone B row boiled water of total accumulate for the V2.Have already known V1-V 2=2 cent rice 3, wood piece A physical volume is 4 cent rice 3, the density of piece of stone B is 3 × 103,0003, g=10 cows/1000 gram.Then container bottom to the support dint of the piece of stone B is
[ ]
The A.10 cow B.20 cowses
The C.30 cow D.40 cowses
22.Connect to go into a heater of adjustable in the power supply electric voltage constantly some one electric circuit, there are unequal two resistivity in the heater inner part give or get an electric shock hot silk;When 2 give or get an electric shock hot silk to establish an usage, the heater consume of electricity power is 220 tiles;When the usage an among those roots resistivity be bigger to give or get an electric shock hot silk, the heater consume of the electricity power is 275 tiles;If give or get an electric shock 2 hot silk to merge an usage, the heater then consumes of electricity power is
[ ]
The A.495 tile B.990 tileses
The D.1375 tileses of the C.l100 tile
Two, each following small all has four optionses and among them, 1 matches an idea at least.(Total 6 cent, each small 2 cent, wrong choose, leak to choose, that can not divide)
23.The bicycle follow the slope evenly and soon drives the next process in, it have of
[ ]
A.The gravity certainly can let up, the kinetic energy enlarge
B.The gravity certainly can let up, the kinetic energy is constant
C.The gravity certainly can let up, the machine can let up
D.The kinetic energy is constant, machine ability constant
24.Appeared in the some family electric circuit the fuse Rong break of phenomenon, its reason may be
[ ]
A.Use of with the electric appliances total power lead greatly
B.Have already broken road in the electric circuit
C.There is short circuit in the electric circuit
D.The total electric resistance of electric circuit leads greatly
25.In the following parlance, correct BE
[ ]
A.The calories that the temperature object of the Gao imply must be many
B.In the process that the ice melt, the temperature keeps constantly
C.A temperature of object go up, it must absorb calories
D.Hot deliver can change object of inside ability
â…¡ Book(do not choose, total 50 cents)
Three, fill blank
26.Our country the electric voltage value of the family electric circuit is____Fu.
27.Voice from give out sound a body vibration and output of, give out sound a body of____stop, the phonation also stopped.
28.The light follows in evenly lie the quality____spread.
29.Rule on science with____the electric charge move of direction for electric current direction.
30.When the electric motor work____can convert into a machine ability.
31.The wood grain that there is cave and convex gravamen on the car tire is for the sake of____rub.(Fill "enlarge" or"let up")
32.When car of drive suddenly put on brakes, passenger because of have____but dump forward.
33.A, B 2 take electricity object mutually exclusive, if AN object take negative electricity, the object of B then takes____electricity.
34.The someone station keeps place in the Shu of flat surface 2 meters before the mirror, he is in the mirror of be like to be apart from him____rice.
35.The someone sits in evenly and soon drive of the railroad train, he takes railroad train car compartment as to according to a thing, he BE____.(Fill "sport" or"static")
36.A bunch of ray projects light upon a flat surface mirror, person's angle of fire is 30 degrees and then reflect Cape BE____degree.
37.We can never see with direction oneself don't give out light of object, while being in order to only shooting the top of the object occurrence_____of cause.(Fill "Man glint"or" mirror noodles glint")
38.The pressure cooker is to make use of aggrandizement to press strong, make boiling point____of the principle come to sooner cook the alimental.(Fill to"go up" or"lower")
39.Go toward to put into some sugar in one cup water, after a while, water become sweet, this phenomenon explain, object of____all is keeping doing to have no rule to exercise.
40.Light's dissemination speed in the vacuum in BE____rice/second.
41.Chase wet clothes Liang in the airiness facing the sun place, is for making to evaporate____.(Fill "become quickly"or" become slowly")
42.Charcoal of burnable the value be 3.4 ×s 107 burnt/1000 gram, completely burning 2,000 grams of charcoals can let out____burnt calories.
43.Use a move the pulley evenly and soon promotes a some heavy thing of in the process, useful achievement is 80 burnt, total achievement is 100 burnt, then the machine efficiency which moves pulley BE____.
44.The electric resistance of some heater is 50 Europes, if pass it of the electric current be one Anne, then in 100 seconds, the heater output calories BE____burnt.

45.The derrick keep the heavy thing Shu of 1000 cows after upward and evenly and soon promoting 15 meters, again heavy thing evenly and soon the level moved 5 meters.In the whole process, the Shu kept to upward pull dint to do the heavy thing____burnt achievement.
46.The electric resistance R1 and R2 merge, have already known R1: R 2=2:3, the total electric current which passes R1 and R2 is 0.6 Annes and so pass the electric current of R2 BE____Anne.
47.Such as figure 6 show, the AB is the lever that a quality doesn't account, the fulcrum is an O, lever A, the B both ends hangs A respectively, B is two objects, lever balance.Have already known AN object of the quality is 1,500 grams, the quality of B object is 4,500 grams, the AB grows 2 meters, the O of the fulcrum then should be apart from A to order____rice.
48.Such as figure 7 show, under the function of pulley set, the object A followed a level ground to evenly and soon go forward 2 meters by the speed of 0.2 meters/ per second, have already know object A's ising heavy is 300 cows, pull the power of dint F as 12 tiles, don't account rope and pulley heavy, then pull dint F=____cow.
49.In the figure 8 show of the electric circuit, power supply electric voltage constant, shut to match switch S, the show of the electric voltage form V1 and V2 counts it to compare to 3:5, the electric current form show of A count is one Anne;If change the electric voltage form V1 into the electric current form A1, the show of the electric current form A1 then counts to 2 Annes;So R1:R 3=____.

50.One's ising heavy is a G solid metals ball and hang under the spring balance and dip into a certain liquid, be
Of the ratio of density of density and that liquid____.
Four, make a diagram
51.In the figure 9, the object AN is heavy 30 cowses and make an effort of the diagram show a method to mean a gravity that the object A be subjected to.
52.In the figure 10, the O is the fulcrum of lever and the painting lifts a hand to F dint arm and counteract letter of alphabet L to mean.
53.Diagram 11 drew ray before passing lens, empress of direction, draw a lens of appropriate type in the square frame.
54.In the figure 12, according to switch on electricity the N of spiral line tube, S pole, use arrowhead is lead on-line mark out an electric current direction.
Five, experiment
55.Diagram 13 mean a part of the thermometer, it of show a number BE____℃.
56.Diagram 14 medium, the spring balance pulls object dint BE____cow.

57.Measure the density of metals piece
(l)Regulate tray weighing scales.Put weighing scales on the level table's top, swim code to put in the surveyor's rod of zero engrave one degree line, the position which discovers to point needle points in the cent degree left side with central dish(balance mark dish), make horizontal beam balance, in response to equilibrium Luo mother to____regulate.
(2)Use to regulate the quality that the good weighing scales calls a metals piece.Is to have 50 gram Fa codes 1 inside right dish inside the left dish which put in the weighing scales the metals piece, swim code at the position on the surveyor's rod such as the figure 15 show, weighing scales balance, then the quality of metals piece is____gram.
(3)Put the metals piece into prosperous have 60 Li rices the graduated cylinder of 3 waters in after, the position arrive by surface such as figure 16 show, then the physical volume of metals piece is____Li rice 3, the density of metals piece BE____10003.
58.Diagram 17 medium, show of resistance box number BE____Europe.

59.Diagram 18 is the experiment electric circuit which measures small lamp bulb electric resistance with the Fu Anne's method diagram, the exactitude inside"â—‹ " fills in electric current form in the diagram, the sign of electric voltage form.When the small lamp bulb give out light, electric voltage form, show of electric current form number such as figure 19 show, then the electric voltage of small lamp bulb both ends BE____Fu, the electric current which passes a small lamp bulb BE____Anne, the electric resistance of small lamp bulb BE____Europe.
Six, calculation
60.Prosperous have 2,000 gram water in the canteen, be aqueous temperature to go up to 100 ℃ from 20 ℃ , water absorbed how much calories[C water=4.2 ×s 103 burnt/(1000 gram ·℃)](2 cent)

61.Area of the base describes to have just the right amount of liquid inside machine for 100 Li rices 3 cylinders, keep its Shu to place on the level table's top.Put the person to the wood piece A liquid in the container in, hold still, the wood piece A has 1/5 of the physical volumes to peep out liquid noodles and the depth of liquid is 20 Li rices at this time.If at wood piece AN up put a metals piece B, the wood piece A by luck submerges liquid noodles, such as figure 20 show.Have already known a wood piece AN of the physical volume be 250 Li rices 3, the quality is 160 grams, g=10 cows/1000 gram.Beg:
(l)Metals piece the B be subjected to of gravity.(2 cents)
(2)When wood piece A by luck submerged liquid noodles, the liquid pressed container bottom strong(2 cents)
62.Such as figure 21 show of in the electric circuit, power supply electric voltage and lamp bulb electric resistance are constant.When shut to match the switch S1, break to open the switch S2, S3, the electric light L normally gives out light and the electric voltage means to count to 6 Fus;When shut to match the switch S1, S2, break to open the switch S3, the electric current means to count to one Anne;When shut to match the switch S3,
For 0.6 tiles.
Beg:light L of the sum settle the resistivity of power and the electric resistance R3.(4 cents)
Make reference to answer
A, choice
1.B
2.C
3.A
4.C
5.A
6.A
7.A
8.C
9.D
10.B
11.A
12.A
13.B
14.B
15.A
16.D
17.D
18.D
19.D
20.B
21.B
22.D

Two, choice
23.BC
24.AC
25.BD
Three, fill blank
26.220
27.Vibrate
28.Straight line
29.Positive
30.Give or get an electric shock
31.Enlarge
32.Inertial
33.Negative
34.4
35.Static
36.30
37.The Man reflect
38.Heat up
39.Member
40.3 the ×s be 108< BRs>
41.Become quickly
42.6.8 the ×s be 107< BRs>
43.80% or 0.8< BRs>
44.5 the ×s be 103< BRs>
45.1.5 the ×s be 104< BRs>
46.0.24
47.1.5
48.20
49.l:3
50.

Four, make a diagram
51.

Five, experiment
55.26
56.1.6
57.(1)Right(2)54.2(3)20,2.71 the ×s be 103< BRs>
58.5628
59.Establish with light of fill A, merge with light of fill V 59.2.4,0.4,6< BRs>
Six, calculation
60.Solution:the Q absorb=cm(t-t 0)
=4.2 ×s 103 burnt/(1000 gram ·℃)the × be 2,000 grams of ×s(100 ℃ -20 ℃ )
=6.72 ×s 105 burnt
61.Solution:wood piece the flotage F float=GA
The ρ liquid g V line up=mAg

Wood piece A, metals piece B together afloat
F'float=GA+GB GB=F'float-GA
GB=the ρ liquid g VA-mAg
=0.8 × 103,0003 ×s 10 cows/thousand grams of ×s 2.5 ×s 10-4< BRs>
Rice 3,000 grams of ×s 10 cows/1000 gram
=0.4 cows
P=ρ liquid g(h+△ h)=0.8 × 103,0003 ×s 10 cows/
Thousand grams of ×s(0.2 meters+0.005 meters)
=1640 Pas
62.Draw an etc. effect electric circuit such as the figure according to idea 1, figure 2, figure 3 show
Solve a method(a):
Basis figure 2……………①
Turning Jian3 De2 Bing4 the 10 ILs 2+9 ILs-9= is 0< BRs>
IL=0.6 AN IL=-1.5 As(give up)
PL=UIL= the 6 V × 0.6 As=3.6 Ws
R 3= R string-the RL-R be 2< BRs>
=30 Ωs-10 Ωs-15 Ωs
=5 Ωs
Solve a method(two):
The ∵ RL, R2, the R3 establish
PL=6 Ps 2= be 6 ×s 0.6 Ws=3.6 Ws
RL=10 Ωs
R 3= is 5 Ωs