—So why didn't you say "hello" to him ye

题型:选择题

问题:

—So why didn't you say "hello" to him yesterday?  

—Well, I stopped and smiled when I saw him, but he _____ me and walked on.   [ ]

A. ignored      

B. refused            

C. denied          

D. missed

考点:动词
题型:选择题

女性,30岁。因外伤后感染,发生了气性坏疽,最重要的治疗是()。

A.高压氧治疗

B.解热、镇痛

C.应用抗生素

D.纠正水和电解质失调

E.清创

题型:选择题

-I'm sorry. I ________ at you the other day.

-Forget it.I was a bit out of control myself.[ ]

A.shouldn't shout  

B.shouldn't have shouted

C.mustn't shout  

D.mustn't have shouted

题型:选择题

海参属于海产() 。

A.软体动物

B.棘皮动物

C.腔肠动物

D.爬行动物

题型:选择题

什么是理想气体?

题型:选择题

电动往复泵排量不均匀的直接原因在于()

A.活塞运动速度不均

B.转速太慢

C.液体的惯性力大

D.活塞作往复运动

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