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 由题意知答案为B。
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