题目内容

What do we learn about scientists in earlier times?

A. They claimed to know nothing about nature.
B. They believed in results from scientific observation.
C. They paid much attention to the problems they didn't understand.
D. They invented false theories to explain things they didn't understand.

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【B5】

A. However
B. Whichever
C. In spite of
D. In regard to

【B2】

A. deal
B. number
C. part
D. side

【B4】

A. Since
B. After
C. Due to
D. Owing to

【B10】

A. on
B. in
C. at
D. of

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