摘要：31．We all agree that good knowledge of physics is a must in explaining such natural phenomena. A. a; / B. a; a C. /; a D. /; /
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We all agree that _______ good knowledge of physics is a must in explaining such _______ natural phenomena.
- A.a; /
- B.a; a
- C./; a
- D./; /
We all agree that _______ good knowledge of physics is a must in explaining such _______ natural phenomena.
A. a; / B. a; a C. /; a D. /; /
查看习题详情和答案>>We all agree that ____good knowledge of physics is a must in explaining such ____natural phenomena.
A. a; 不填 B. a; a C. 不填；a D. 不填；不填
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