听下面一段独白,并按要求在试卷上完成任务,你可以边听边填写听到的数字。
|
Step 1 |
M |
|
Step 2 |
×5 |
|
Step 3 |
|
|
Step 4 |
|
|
Step 5 |
|
|
Step 6 |
|
|
Step 7 |
+D |
*M = Month number
D = Day number
5 (4 (5 M + 6 ) + 9 ) + D = 100 M + D + 165,
100 M + D + 165 – 165 = 100 M + D
11. What subject is the speaker teaching?
A. Chinese. B. Physics. C. Math.
12. What should in Step 3?
A. ×4. B. +6. C. +9.
13. If someone was born, what get after Step 4?
A. 44. B. 53. C. 265.
14. What are you in your head after Step 7?
A. +165 B. -165. C. ×165.
15. If someone was born on January 1st, what will be the result like?
A. 165 B. 100. C. 101.
II. 笔试部分 (95分)
听下面一段对话,回答第6和第7两个小题。
6. Where is Lily going for lesson?
A. In her school. B. In a language school. C. In an art school.
7. What is she planning to do in France?
A. To have fun. B. To improve her. C. To learn painting.
听下面一段对话,回答第8和第10三个小题。
8. What is Rose busy with?
A. Her trip plan. B. Her school exam. C. Her summer program.
9. Who will go Rose?
A. Bill. B. Her sister. C. Her classmate.
10. How does Bill’s idea about camping?
A. Good. B. Hard. C. Expensive.
听下面5段对话。
1. What does the man think of the sweater?
A. It’s too short. B. It’s very cheap. C. It’s expensive.
2. Which is Allen’s phone number?
A. 56568890. B. 56268890. C. 26268890.
3. Why did Tom get up this morning?
A. To do sports. B. To catch a train. C. To walk the dog.
4. Where can the woman chemistry books?
A. On the first floor. B. On the second floor. C. On the third floor.
5. What would the woman speaker like to see in their school?
A. More books. B. More libraries. C. More clubs.
23.
要求摩托车由静止开始在尽量短的时间内走完一段直道,然后驶入一段半圆形的弯道,但在弯道上行驶时车速不能太快,以免因离心作用而偏出车道.求摩托车在直道上行驶所用的最短时间.有关数据见表格.
t= t1 + t2=11s
[1C 2D 3C 5A 6D 7C 8AB 9BD 10A 11B 12A 13C 14A 15BC 16BC 17A 18C]
22.宇航员站在一星球表面上某高处,沿水平方向抛出一个小球.经过时间t,小球落到星球表面,测得抛出点与落地点之间的距离为L.若抛出时的初速度增大到2倍,则抛出点与落地点之间的距离为
L.已知两落地点在同一水平面上,该星球的半径为R,万有引力常数为G.求该星球的质量M.
答案:
19. 一水平放置的水管,距地面高h=1.8 m,管内横截面积S=2.0 cm2。有水从管口处以不变的速度v=2.0 m/s源源不断地沿水平方向射出,设出口处横截面上各处水的速度都相同,并假设水流在空中不散开。取重力加速度g=10 m/s2,不计空气阻力。求水流稳定后在空中有多少立方米的水.
V=2.4×10-4 m3
20.已知O、A、B、C为同一直线上的四点、AB间的距离为l1,BC间的距离为l2,一物体自O点由静止出发,沿此直线做匀速运动,依次经过A、B、C三点,已知物体通过AB段与BC段所用的时间相等。求O与A的距离.
![]()
18.如图所示.一足够长的固定斜面与水平面的夹角为37°,物体A以初速度V1从斜面顶端水平抛出,物体B在斜面上距顶端L=15m处同时以速度V2沿斜面向下匀速运动,经历时间t物体A和物体B在斜面上相遇,则下列各组速度和时间中满足条件的是(sin37°=0.6,cos37°=0.8,g=10 m/s2)
![]()
(A)V1=16 m/s,V2=15 m/s,t=3s. (B)V1=16 m/s,V2=16 m/s,t=2s.
(C)V1=20 m/s,V2=20 m/s,t=3s. (D)V1=20 m/s,V2=16 m/s,t=2s.
17.
如图,在同一竖直面内,小球a、b从高度不同的两点,分别以初速度va和vb沿水平方向抛出,经过时间ta和tb后落到与两抛出点水平距离相等的P点。若不计空气阻力,下列关系式正确的是
A.ta>tb,va<vb B.ta>tb,va>vb
C.ta<tb,va<vb D.ta<tb,va>vb
16.t=0时,甲乙两汽车从相距70 km的两地开始相向行驶,它
们的v-t图象如图所示.略汽车掉头所需时间.下列对汽车运
动状况的描述正确的是
A.在第1小时末,乙车改变运动方向
B.在第2小时末,甲乙两车相距10 km
C.在前4小时内,乙车运动加速度的大小总比甲车的大
D.在第4小时末,甲乙两车相遇
15.
图示为某一皮带传动装置。主动轮的半径为r1,从动轮的半径为r2。已知主动轮做顺时针转动,转速为n,转动过程中皮带不打滑。下列说法正确的是(
)
A.从动轮做顺时针转动 B.从动轮做逆时针转动
C .从动轮的转速为
n D.从动轮的转速为
n
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