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34._____ photosynthesis (光合作用)is the essential source of food for almost all plants on earth..

分类: 作业答案 • 2022-01-09 18:02:51
问题描述：

34._____ photosynthesis (光合作用)is the essential source of food for almost all plants on earth..
A.It is an important process \x05\x05\x05B.An important process,it is
C.That an important process as \x05\x05\x05D.An important process

答

D
photosyntheis 做process同位语
A 一个句子两个主谓结构了
B 两个谓语
C 语法上就错了

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