2. 外语
  3. An extensive foundation in the basic sciences should be required of all science students, ______.

An extensive foundation in the basic sciences should be required of all science students, ______.

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问题 An extensive foundation in the basic sciences should be required of all science students, ______.
选项 A、whether they are future physicists or chemists
B、be they future physicists or chemists
C、they are future physicists or chemists
D、they should be future physicists or chemists
答案B
解析 B项为虚拟语气句whether they be future physicists or chemists的变形。根据题意，可知正确答案为B。
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