Listen, John! I can hear someone _____in

题型:选择题

问题:

Listen, John! I can hear someone _____ in the next room. [ ]

A. talk

B. talking

C. to talk

D. talks

考点:分词
题型:选择题

一本字典定价18元,八折出售,仍比成本价高20%.这本字典的成本价是多少元?

题型:选择题

雨后的晚上,人在月光下行走,为了不踩到水坑里,人们根据镜面反射和漫反射规律总结出,当迎着月光走时,地面发___________处有水,背着月光走时,地面发____________处有水。(选填“亮”、“暗”)

题型:选择题

Thanks for _____ care of my dog when I was away. [ ]

A. take

B. took

C. taking

D. takes

题型:选择题

什么是双子叶植物?并举例说明。

题型:选择题

热继电器整定值一般为被保护电动机额定电流的()倍。

A、1.0

B、1.2

C、1.5

D、2.0

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