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【单选题】
检测葡萄糖的特异性最高的方法是A.
己糖激酶法
B.
葡萄糖氧化酶法
C.
邻甲苯胺法
D.
硫酸铜还原法
E.
四种方法特异性没有区别
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】- Why did you come here so late? - Sorry. I the bus.
A.
took
B.
caught
C.
got on
D.
missed
【单选题】听力原文：Why did you leave our company so early yesterday? (A) Because you worked so late. (B) I am always the first person here. (C) I left to see the doctor. (11)
A.
B.
C.
【单选题】听力原文：Why did you put in the request for a transfer to London? (A) So I can live with my daughter. (B) You can transfer to Gray Line at the next stop. (C) Because I couldn't answer the question. (35)
A.
B.
【单选题】听力原文：W: I have been waiting here for almost half an hour. Why did you take so long to park the car? M: I'm sorry, dear. I had driven two blocks before I found a place to park. Q: What can we learn fro...
A.
The man couldn't find a parking lot.
B.
It's hard to find a place to leave the car.
C.
The woman was upset due to his late arrival.
D.
The man apologized because of his negligence.
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