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【单选题】
下列氨基酸分子中含有两个不对称碳原子的氨基酸是A.
Pro
B.
Tyr
C.
Ser
D.
Arg
E.
Thr
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【单选题】听力原文：M: I think the hostess really went out of her way to make the party a success. W: Yes, the food and drinks were great, but if only we had known a few of the other guests. Q: What did the two spea...
A.
They enjoyed the party better than the other guests.
B.
They knew none of the other guests at the party.
C.
They didn't think much of the f6od and drinks
D.
They went a long way to attend the party.
【单选题】I'm ____ that getting into university is not the only way to success.
A.
ware
B.
aware
C.
wear
D.
await
【简答题】某市一商务型酒店总共有客房300间,2018年5月份实际出租200间,计算5月份该酒店客房出租率?
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