(单选题)

48. （）

A.isolates

B.isolated

C.isolating

D.isolate

参考答案：C

参考解析：

考查非谓语动词和上下文语境。句意：来自纽约洛克菲勒大学的研究人员使用了激光捕获显微镜，这样就可以从显微镜下才能看见的组织和细胞中分离出细胞，从而深入研究鸣禽的大脑。分析句子成分可知，a method of isolating cells from microscopic regions of tissues and cells充当laser capture microscopy的同位语，空白处充当介词of 的宾语，应该使用动名词形式。故选C。

知识点：有选项完形填空英语专业基础知识完形填空教师招聘-小学英语

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48. （）