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【单选题】
常用于评价色谱分离条件选择是否适宜的参数是:A.
理论板数
B.
峰面积
C.
分离度
D.
死时间
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【单选题】----- Does your brother like football? ----- Well, he doesn’t really ______ football. In fact he likes basketball.
A.
care
B.
care about
C.
care for
D.
take care of
【简答题】Since the earth looks like a ball, the sun can shine on only half of it at a time.英译汉
【简答题】句型转换。 1. My pencil is long. Your pencil is longer. (合并为一句 ) Your pencil is _ mine. 2. Hong Kong is newer than Beijing. (改为一般疑问句) Hong Kong _ Beijing? 3. There are 40 millon people in the city. (对画线部分提...
【单选题】Jack didn’t go with Harry because______．
A.
he woke up too late
B.
he didn’t like to see the result
C.
he was too tired
D.
he had some homework
【简答题】(中译英)他们从小就一直是好朋友。(since)
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