题目内容：

In 1985 a France television company sent its reporters to the Paris Metro（地铁）．They took ___21___ to see what passengers would do if they saw someone ___22___ on the platform or trains．The incidents looked ___23___ and they were all done with the help of actors．However, very ___24___ people tried to help, and most passengers ___25___ not to notice．In one of the ___26___, a foreigner was attacked by three men．The attack was on a ___27___ which was quite full, and although the man tried to get ___28___ passengers to help, they all refused．This is not only a French ___29___．A British newspaper reported in 1991 that a professor of Social Psychology in New York had ___30___ his students out to rob their own cars．The students didn’t try to ___31___ what they were doing．About 80 people ___32___ 250 car thefts, and only twelve of them tried to ___33___ the student robbers．In a typical incident, one man stopped, looked, and then put his hands over his ___34___ and shouted “I didn’t see that!” About forty people ___35___ to help the thieves, and two people ___36___ sat down next to the car and ___37___ to buy a camera and a television set a student was ___38___ from the back seat of his own car．The professor ___39___ whether it is a problem of big cities or would be the ___40___ thing as happens anywhere．

1.A．notes              B．trains           C．cameras          D．newspapers

2.A．attacked           B．stolen           C ．wounded         D．struck

3.A．great              B．real             C．serious          D．terrible

4.A．many               B．old              C．few              D．large

5.A．pretended          B．seemed           C．managed          D．asked

6.A．passengers         B．actors           C．accidents        D．incidents

7.A．plane              B．train            C．truck            D．bus

8.A．another    B．all  C．more             D．the other

9.A．situation          B．agreement        C．problem          D．accident

10.A．brought           B．sent             C．took             D．put

11.A．expose            B．hide             C．tell             D．find

12.A．watched    B．discovered              C．found            D．realized

13.A．help              B．refuse           C．stop             D．report

14.A．face              B．head             C．eyes             D．ears

15.A．expected          B．offered          C．hated            D．liked

16.A．bravely           B．surely           C．actually         D．certainly

17.A．wanted            B．loved            C．needed           D．waited

18.A．sending           B．taking           C．offering         D．robbing

19.A．knows             B．wonders          C．learns           D．asks

20.A．former        B．different        C．same             D．small