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【判断题】
在检验过硫酸盐的氧化性实验中, MnSO4 一定要过量。A.
正确
B.
错误
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【单选题】-How can you get from Italy to Brazil? -_______. [ ]
A.
Can fly
B.
By air
C.
By a plane
【简答题】F. Brazil 1. How long _____________________________________? All night. 2.Why________________________________________? They came to study and look for work.
【多选题】下列关于空气处理设备的运输和吊装说法正确的是（）。
A.
应保证设备运输通道的畅通；
B.
吊索与设备接触部位应衬垫硬质材料；
C.
设备应捆扎稳固，主要受力点应高于设备重心；
D.
应复核设备重量与运输通道的结构承载能力。
【简答题】比一比。 10-2○9-2 4+4○2+6 8+7○9+8 10-6+5○2+4+4 6+8○9+5 18-10-3○15-5-4
【单选题】听力原文：How about opening a branch in Brazil instead? (A) Yes, construction costs are cheaper there. (B) I' ve visited there once. (C) The groundbreaking ceremony will be in March. (34)
A.
B.
【单选题】According to the man, how much coffee consumed worldwide is produced in Brazil?
A.
One six.
B.
One third.
C.
Two thirds.
D.
Three fifths.
【简答题】选择合适的选项填空补全对话。 A. how B. how old C. how far D. how many E. how much F. what colour 1. — ____________ is his hair? — It is gray. 2. — ____________ is it from Beijing to Guangzhou? — It's abo...
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