22.Her friend did everything in his ________ to help with her business.
A.energy B.power C.strength D.force
第一节:单项填空(共15小题;每小题1分,满分15分)
21.________ large number of people think ________ truth has been hidden on purpose.
A.A; / B.The; / C.A; the D.The; the
第二节(共15小题;每小题1分,满分15分)
听下面5段对话或独白。每段对话或独白读两遍。
听第6段材料,回答第6-8题。
6.What’s the matter with the woman?
A.She can’t find the subway station.
B.She has missed the last bus.
C.She has lost her way.
7.How far is the woman’s hotel from here?
A.It’s 59 miles away.
B.It’s two blocks away.
C.It’s over an hour’s walk.
8.How will the woman probably go to Central Park?
A.By subway. B.On foot. C.By taxi.
听第7段材料,回答第9-11题。
9.Where is the man first arriving?
A.In Amsterdam. B.In Frankfurt. C.In London.
10.Where will the man meet Mr Porter?
A.In a restaurant. B.At the airport. C.In his hotel.
11.How will the man go to Paris?
A.By train. B.By plane. C.By car.
听第8段材料,回答第12-14题。
12.What is the probable relationship between Mr White and the man?
A.Workmates.
B.Boss and employee (雇员).
C.Customer and salesman.
13.Where is Mr White probably now?
A.In his office. B.At a meeting. C.At a car show.
14.What does the woman suggest the man do?
A.Leave his card.
B.Make an appointment now.
C.Call Mr White later.
听第9段材料,回答第15-17题。
15.What kind of electric heater does the man like?
A.A large one with a reasonable (合理的) price.
B.A small one with a particular brand (品牌).
C.A small one with a reasonable price.
16.How much money can the man save in all?
A.$ 160. B.$ 400. C.$ 460.
17.How will the man pay for the electric heater?
A.In cash. B.By credit card. C.By cheque.
听第10段材料,回答第18-20题。
18.Why do the tourists have to start early morning?
A.It is a long way to Loch Ness.
B.There is only one bus to Loch Ness in the morning.
C.They all want to watch the sunrise in the mountains.
19.What colour are the lunch tickets?
A.Pink. B.White. C.Yellow.
20.What does the speaker advise bringing?
A.An umbrella. B.Sunglasses. C.A jacket.
第一节(共5小题;每小题1分,满分5分)
听下面5段对话,每段对话仅读一遍。
1.What will the woman do on Friday?
A.Go on a tour with the man.
B.Take an examination.
C.Study at home.
2.Why is the boy upset?
A.He lost his money.
B.He lost his student ID card.
C.He was robbed.
3.Where does the conversation probably take place?
A.At a kitchen. B.At a supermarket. C.At a restaurant.
4.What time is it now?
A.9:55. B.10:00. C.10:30.
5.What do you know about the man?
A.He doesn’t like shopping.
B.He went to New York for a trip.
C.He bought some CDs for his daughter.
7、如图所示,一个挂在丝线下端的 带正电的小球B静止在图示位置.固定的带正电荷的A球电荷量为Q,B球质量为m、电荷量为q,θ=30°,A和B在同一水平线上,整个装置处在真空中,求A、B两球间的距离.
6、a、b两个点电荷,相距40cm,电荷量分别为q和q
,且q
=9 q
,都是正电荷;现引入点电荷c,这时a、b、c三个电荷都恰好处于平衡状态.试问:点电荷c的性质是什么?电荷量多大?它放在什么地方?
5、关于库仑定律的公式,下列说法中正确的是(
)
A.当真空中两个电荷间距离r→∞时,它们间的静电力F→0
B.当真空中两个电荷间距离r→0时,它们间的静电力F→∞
C.当两个电荷间的距离r→∞时,库仑定律的公式就不适用了
D.当两个电荷间的距离r→0时,电荷不能看成是点电荷,库仑定律的公式就不适用了
4、 真空中两个相同的金属小球A和B,带电荷量分别为QA=2×10-8C和QB=4×10-8C,相互作用力为F.若将两球接触后再放回原处,则它们之间的作用力将变为( )
A. B.F C.
D.
3、A、B两点电荷间的距离恒定,当其他电荷移到A、B附近时,A、B间相互作用的库仑力将( )
A.可能变大 B.可能变小 C.一定不变 D.无法确定
2、真空中有两个点电荷,它们之间的静电力为F,如果保持它们所带的电量不变,将它们之间的距离增大到原来的3倍,它们之间作用力的大小等于( )
A.F B.3F C.F/3 D.F/9
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