It is difficult to ________ the sample that is on the slide unless the microscop

游客2023-09-05  23

问题 It is difficult to ________ the sample that is on the slide unless the microscope is adjusted properly.

选项 A、overlook
B、discern
C、disclaim
D、distract

答案 B

解析 本题要分清三个前缀为dis-动词的意义。B.discern辨别,识别,认出;C;disclaim否认,放弃,拒绝;D.distract转移注意力,分散精力。它们在意义上没有共同之处。A.overlook忽略,忽视。B符合题意要求。句意为:如果不把显微镜调试好的话,就很难分辨切片上的样品。
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