2. 外语
  3. During recent years we have heard much about "race": how this race does certain things and that race believes certain things and

During recent years we have heard much about "race": how this race does certain things and that race believes certain things and

admin2010-07-06  33
问题      During recent years we have heard much about "race": how this race does certain things and that race believes certain things and so on. Yet, the  【21】______   phenomenon of race consists of a few surface indications.
     We judge race usually  【22】______   the coloring of the skin: a white race, a brown race, a yellow race and a black race. But  【23】______   you were to remove the skin you could not  【24】______   anything about the race to which the individual belonged. There is  【25】______   in physical structure, the brain or the internal organs to  【26】______   a difference.
     There are four types of blood.  【27】______   types are found in every race, and no type is distinct to any race. Human brains are the  【28】______   . No scientists could examine a brain and tell you the race to which the individual belonged. Brains will  【29】______   in size, but this occurs within every race.  【30】______   does size have anything to do with intelligence. The largest brain  【31】______   examined belonged to a person of weak  【32】______   .On the other hand, some of our most distinguished people have had  【33】______   brains.
     Mental tests which are reasonably  【34】______   show no differences in intelligence between races. High and low test results both can be recorded by different members of any race.  【35】______   equal educational advantages, there will be no difference in average standings, either on account of race or geographical location. Individuals of every race  【36】______   civilization to go backward or forward. Training and education can change the response of a group of people,  【37】______   enable them to behave in a  【38】______   way.
     The behavior and ideals of people change according to circumstances, but they can always go back or go on to something new  【39】______   is better and higher than anything  【40】______   the past.
【23】
选项 A、since
B、if
C、as
D、while
答案B
解析 本句为虚拟语气，应选if表示条件。选项A、C、D不符合语法。
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