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考研
Scientists say it may be five or ten years______it is possible to test this medicine on human patients.
Scientists say it may be five or ten years______it is possible to test this medicine on human patients.
admin
2016-01-11
44
问题
Scientists say it may be five or ten years______it is possible to test this medicine on human patients.
选项
A、since
B、before
C、after
D、when
答案
B
解析
连词。句意:科学家说可能还需要5至10年,才有可能在病人身上测试这种药物。before“在……以前;在……之前”,这里表示在病人身上测试之前需要5至10年的时间。
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本试题收录于:
翻译硕士(翻译硕士英语)题库专业硕士分类
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翻译硕士(翻译硕士英语)
专业硕士
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