问题
选择题
Insects, ______ mosquitoes, flies, butterflies and so on, have their functions in _____ nature. [ ]
A. like; the
B. such as; X
C. including; X
D. containing; the
答案
答案：B
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Insects, ______ mosquitoes, flies, butterflies and so on, have their functions in _____ nature. [ ]
A. like; the
B. such as; X
C. including; X
D. containing; the
答案：B