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【单选题】
判断普通光学显微镜优劣的最重要指标是( )A.
光学分辨率
B.
光学放大倍数
C.
机械操作性能
D.
新旧程度
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【简答题】完形填空 Time is the easiest thing in the world to waste-the most difficult to control. When you look ahead, it may appear you have __ 1 __ you need. Yet it has a way of slipping __ 2 __ your fingers like...
【单选题】关于补体活化的MBL途径,下列哪项是错误的?( )
A.
激活起始于MBL与病原体结合后
B.
MBL具有酶活性
C.
其C3转化酶是C462b
D.
参与非特异性免疫,在感染的早期发挥作用
E.
C反应蛋白可激活C1q
【单选题】Identify the major function of the following dialogue speaker A: Hello! How are you? Speaker B: Hi! You loo like one of sy friends Lily. Speaker A: Oh. really?
A.
phatic function
B.
physiological function
C.
pleasure function
D.
identifying function
【单选题】—Do you know the meaning of the new word? It puzzles me a lot. —I’ve no idea. But I think you can look it up in .
A.
stationery
B.
magazine
C.
dictionary
D.
documentary
【简答题】用所给词的适当形式填空。 小题1:He is really_______ (humour). He often makes us laugh. 小题2:Can you look after_______ (you) well at school, Bill? 小题3:I felt _______ (bore) to hear the same story. 小题4:She lost her new...
【简答题】阅读并补全对话。（共5小题；每小题1分，计5分） 从方框内选择适当的句子补全对话，其中有两项是多余的。 M: You look so happy, Marry. 小题1:____ W: There’s a concert in the theatre this evening. Some world famous singers will come and sing in the concert....
【单选题】The old paper mill has been____ to make way a factory.
A.
cut down
B.
kept down
C.
torn down
D.
held down
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