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【单选题】
属于置换反应的是A.
CaCO 3 CaO + CO 2 ↑
B.
3CO + Fe 2 O 3 2Fe + 3CO 2
C.
C + 2CuO 2Cu + CO 2 ↑
D.
Mg(OH) 2 +2HCl＝MgCl 2 +2H 2 O
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举一反三
【简答题】I’m glad to see that you ________ a lot of progress since I ________ you last.A. will make; have met B. have been ; met C. had made; met D. have made; meeting
【单选题】I’m glad to see that you have had everything under control.
A.
很高兴看到你已使一切恢复正常。
B.
很高兴你在控制下完成了每件事。
【单选题】—I’m glad to see that the government has______ the open space _____a public library. —Me, too. We can do some reading there.
A.
moved; into
B.
grown; into
C.
turned; into
D.
put; into
【单选题】I’m glad to see that you a lot of progress since I you last
A.
will make;have met
B.
have made;met
C.
had made;met
D.
have made;meeting
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