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【判断题】
环境问题的实质都是作为中心事物的人类与作为周围事物的环境之间的矛盾。（ ）A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Anyway, even if one wanted to, one couldn’t put the clock back to an earlier age. (1) Knowledge and techniques can’t just be forgotten.(2)Even if all government money for research were cut off (and th...
【单选题】If one cannot sleep, it is suggested that he______.
A.
take two tablets before going to bed.
B.
take less than two tablets before going to bed.
C.
stop taking the medicine.
D.
ask advice of a doctor.
【简答题】Learn at your own pace. When a student sits in the lecture, he must __________ himself to the rhythm of the class. One cannot linger on which some students don’t understand. There’s also no opportunit...
【简答题】one cannot stop ____i______ minds from thinking about basic science, whether or not they are paid for it. 没有人能阻止探究求索之士去思索基础科学,无论他们是否会为此得到酬劳。
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