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【单选题】
亚马逊中国采取的主要物流配送模式为:A.
自营物流
B.
物流外包
C.
物流仓储外包
D.
自营物流与外包结合
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】听力原文：M: Hi! Jane, what have you been doing this summer holiday? W: Working, mostly. M: What kind of work have you been doing? W: I've been working in a hotel. M: What, as a waitress? W: No, I've been ...
A.
In a restaurant.
B.
In a hotel.
C.
In a supermarket.
D.
In a library.
【单选题】听力原文：M: Hi! Jane, what have you been doing this summer holiday? W: Working, mostly. M: What kind of work have you been doing? W: I've been working in a hotel. M: What, as a waitress? W: No, I've been ...
A.
In a restaurant.
B.
In a hotel.
C.
In a supermarket.
D.
In a library.
【单选题】下列有关酶的概念哪一项是正确的
A.
所有的蛋白质都有酶活性
B.
其底物都是有机化合物
C.
其催化活性都需要特异的辅助因子
D.
对底物都有绝对专一性
E.
酶不一定都是蛋白质
【单选题】听力原文：W: Hi, Kevin. M: Hi, Lora, long time no see. What have you been up to lately? W: Not much I can assure you. And you? M: Much the same except I do have some big news. W: Come on, the suspense is k...
A.
Transferring to another department.
B.
Studying accounting at a university.
C.
Thinking about doing a different job.
D.
Making preparation for her wedding.
【单选题】听力原文：M: Hi! Jane, what have you been doing this summer holiday? W: Working, mostly. M: What kind of work have you been doing? W: I've been working in a hotel. M: What, as a waitress? W: No, I've been ...
A.
In a restaurant.
B.
In a hotel.
C.
In a supermarket.
D.
In a library.
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