Question

阅读下面短文，掌握其大意，从短文后所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

Years ago a professor gave a group of graduate students this assignment：Go to the slums(贫民窟)．Take 200 boys between the ages of 12 and 16, investigate their ________ and environment and then ________ their chances for the future. The students，after ________ social statistics，talking to the boys and compiling(汇编) much data, ________ that 90 percent of the boys would spend some time in ________.

Twenty?five years later another group of graduate students were given the job of ________ the previous prediction. They went back to the ________ area. Some of the boys—now ________ —were still there，a few had died and some has moved away. But they managed to ________ 180 of the original 200. They found that only four of the boys had ever been sent to prison.

Why was it that these men，who had lived in a breeding place of ________，had such surprisingly ________ record？The researchers were ________ told. “Well，there was a ________.”

They investigated ________ and found that in 78 percent of the ________ it was the same woman. The researchers went to the teacher，now living in a home for ________ teacher. How had she had this remarkable ________ on that group of children？Could she give them any reason why these boys ________ her？“No，”she said，“I really couldn't.” And then，________ over the years，she said musingly(沉思地)，more to herself than to her questioners，“I ________ these boys.” The researchers finally realized that it was the teacher's care that made a difference.

1.A. safetyB．nationalitiesC．healthD. backgrounds

2.A. adviseB．increaseC．predictD．check

3.A. consultingB．preparingC．offeringD．showing

4.A. discussedB．concludedC．introducedD．expected

5.A. businessB．schoolC．hospitalD．prison

6.A. testingB．explainingC．findingD．making

7.A. specialB．sameC．onlyD．lonely

8.A. workersB．teenagersC．menD．students

9.A. recordB．findC．knowD．trace

10.A. diseaseB．magicC．disasterD．crime

11.A. reliableB．goodC．detailedD．bad

12.A. normallyB．graduallyC．continuallyD．nearly

13.A. teacherB．doctorC．directorD．friend

14.A. tooB．insteadC．alreadyD．further

15.A. casesB．mannersC．statesD．ways

16.A. determinedB．well-knownC．retiredD．skilled

17.A. techniqueB．influenceC．courageD．advantage

18.A. rememberedB．rewardedC．treatedD．frightened

19.A. looking aroundB．going on

C．working outD．thinking back

20.A. persuadedB．remindedC．lovedD．taught

Answer 1