we should exploit the Antarctic’s natura

题型:选择题

问题:

    we should exploit the Antarctic’s natural resources is open to discussion.

A.What

B.Whether

C.If

D.That

考点:并列连词从属连词
题型:选择题

Taking care of children calls for your time, abilities, patience and emotions. _____, it is not a simple thing.

A.On the contrary

B.What's more

C.In conclusion

D.On the other hand

题型:选择题

删除全部索引的命令是( )。

A.DELEATE TAG

B.DELEATE TAG ALL

C.DROP TAG

D.DROP TAG ALL

题型:选择题

电网运行为什么要对调频厂进行选定?

题型:选择题

(80~82题共用备选答案)

室间隔缺损( )

A.听诊在胸骨左缘第2~3肋间有Ⅱ级收缩期喷射性杂音,无震颤
B.听诊在胸骨左缘第3~4肋间有Ⅳ级粗糙的全收缩期杂音,向周围传导,有震颤
C.听诊在胸骨左缘第2肋间有连续性机器样杂音,向颈部传导,有震颤
D.听诊在胸骨左缘第2肋间有Ⅲ级喷射性收缩期杂音,向颈部传导,有震颤
E.听诊在心尖部有Ⅲ级收缩期杂音,向左腋下传导,有震颤

题型:选择题

润滑油温度低,中微小气泡很多时,油显()色。

A、微黄

B、乳白

C、黑灰

D、红黄

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