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1 . 在1972年,经过反复试验,他们成功发现了青蒿素。
In 1972,____________ ____________ ____________ ____________ ,they successfully discovered qinghaosu.
In 1972,
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2卷引用:江苏扬州仪征市第二中学2020-2021学年高一下学期5月月考英语试题
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2 . Sam, in every way, has handled the challenge, _____ his friend_____how he’s achieved success in spite of the difficulties.
A.overcome; by | B.overcoming; with |
C.impressed; by | D.impressing; with |
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3卷引用:2015-2016学年江苏泰兴市第一高级中学高二上期中英语试卷