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【判断题】
显微镜透镜表面若有污垢,用专用擦镜纸沾上少许二甲苯或石油精擦拭,切忌用酒精。A.
正确
B.
错误
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【简答题】下列不属于塑料模具结构零件的作用的是()? A装配 B定位 C安装 D成型
【简答题】What kind of person is most likely to catch a cold? [A] The person who has a mild fever for a few days. [B] The person who carries viruses capable of producing colds. [C] The person who spends most of...
【单选题】— ________ Maria from Japan? — Yes, ________.
A.
Are; they are
B.
Is; she is
C.
Does; she does
【简答题】阅读理解。 Sometimes, people are not clear about what kind of food is healthy and what kind of food may do harm to our health. The USDA has prepared a food guide to help people learn about which kind of fo...
【单选题】—What's the matter? —_____. [ ]
A.
I have fever
B.
I am fever
C.
I am a fever
D.
I have a fever
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