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【多选题】
既不能维持机体健康,更不能促进生长发育的有________________。A.
动物皮骨中的胶原蛋白
B.
小麦粉中的麦胶蛋白
C.
鲨鱼的鱼翅蛋白
D.
鸡蛋黄中的卵黄磷蛋白
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举一反三
【单选题】听力原文：M: Excuse me, I'm looking for the emergency room. I thought that it was on the first floor. W: This is the basement. Take the elevator one flight up and turn left. Where did the conversation most...
A.
In a library.
B.
In a hotel.
C.
In a hospital.
D.
In an elevator.
【单选题】—I’m trying to find yesterday’s paper. Have you seen it? —I’m afraid I ______ it away. I thought you had finished reading it.
A.
had thrown
B.
throw
C.
would throw
D.
threw
【单选题】听力原文：M: Excuse me, I'm looking for the operating theatre. I thought that it was on the first floor. W:This is the basement. Take the elevator one flight up and turn left. Q: Where did the conversation...
A.
In a library.
B.
In an elevator.
C.
In a hospital.
D.
At a railway station.
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