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【单选题】
某地区粮食产量的环比增长速度，去年为3%，今年为4%，则这两年该地区粮食产量共增长了( )。A.
1%
B.
7%
C.
7.12%
D.
12%
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【单选题】Not only his parents but also his sister ________ the museum.
A.
are going to
B.
is going to c. are going D. is going
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A.
was exhibiting
B.
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C.
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D.
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【单选题】From the passage, we know that ______.
A.
Cheng Ho died on the way of his last voyage
B.
Cheng Ho ended his sh voyage in 1433
C.
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D.
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