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【单选题】
I enjoy ____ the time reading a good book.A.
spend
B.
spent
C.
spending
D.
to spend
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【单选题】听力原文：M: I' m afraid that I don' t like your hat, really. I think it' s a bit old fashioned for you. It goes well with the shoes, though. W: Old fashioned? It's back in fashion now. It's you that's old...
A.
The man thinks the hat fit well with the shoes, and he likes it.
B.
Although the hat is old fashioned, the woman likes it very much.
C.
The woman thinks the hat is fashionable but the man is out of fashion.
D.
The man doesn' t like the hat because it was not nice with the shoes.
【单选题】增长年龄与评价年龄之差可用来说明
A.
危险因素已经存在的年数
B.
危险因素消除后可能延长寿命的年数
C.
消除危险因素所需要的年数
D.
接触危险因素后引起疾病所需的年数
E.
接触危险因素后从患病到死亡的年数
【多选题】水热 - 溶剂热与固相反应的主要区别是:
A.
水热 - 溶剂热适用液相反应机理；固相反应适用界面扩散机理。
B.
水热 - 溶剂热合成材料在液相条件下，能提供相对稳定、均匀的反应条件；固相反应受反应物颗粒细度的影响较大。
C.
水热 - 溶剂热合成材料能合成完美的晶体；一般容易生成非整数化学计量比化合物。
【简答题】阅读理解 Li Ping is a Young Pioneer (员). He goes to the wildlife park (野生动物园). When he waits for a bus at the bus stop, he finds a watch on the road (马路). He asks some people, 'Whose watch is it?' But ...
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