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【判断题】
在分光光度计中,波长范围不同而选用不同材料的容器,其中色皿只能用于紫外光区。A.
正确
B.
错误
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举一反三
【单选题】听力原文：W: Why are you just standing outside instead of going in? M: I have tried all my keys in the lock, but it won't open. Q: Why didn't the man go in? (15)
A.
The door needs repairing.
B.
He had lost all his keys.
C.
He couldn't open the door.
D.
He wanted the woman to help him.
【简答题】对于理想气体,下列关系式中 是不正确的? (A) (∂ U /∂ T ) V = 0 (B) (∂ U /∂ V ) T = 0 (C) (∂ H /∂ p ) T = 0 (D) (∂ U /∂ p ) T = 0
【单选题】听力原文：W: Where is Alex? M: He is outside sunbathing. Q: Why is Alex outside? (14)
A.
Sunbathing.
B.
Having a bath.
C.
Watching the sunset.
D.
Swimming.
【单选题】听力原文：W: Why are you just standing outside instead of going in? M: I have tried all my keys in the lock, but it won't open. Q: Why didn't the man go in? (15)
A.
The door needs repairing.
B.
He bad lost all his keys.
C.
He couldn't open the door.
D.
He wanted the woman to help him.
【单选题】What about going hiking this afternoon, Simon? I prefer ____ to ____. It’s too hot outside.
A.
going hiking; staying at home
B.
to stay at home; hike
C.
to hike; stay at home
D.
staying at home; going hiking
【简答题】句型转换。 1. They are going to meet outside the school gate. (改为一般疑问句) __________ meet outside the school gate? 2. He is going there by plane. (改为一般疑问句) __________ he __________ by plane? 3. The foreigner...
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