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

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

题目
34._____ photosynthesis (光合作用)is the essential source of food for almost all plants on earth..
A.It is an important process x05x05x05B.An important process,it is
C.That an important process as x05x05x05D.An important process
答案
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
举一反三
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想找英语初三上学期的首字母填空练习……
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1,人们染上烟瘾,最终因吸烟使自己丧命.
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