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【单选题】
Even though he knew he would put his own life _____,he still felt _____ the new treatment. [     ]
A.
at a risk;like to try
B.
at risks;like trying
C.
at risk;like to try
D.
at risk;like trying
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参考答案:
举一反三
【单选题】Look at the handsome boy.He is ______brother.
A.
Tom and Jack
B.
Tom and Jack's
C.
Tom's and Jack's
D.
Tom's and Jack
【单选题】— Wow, isn't this handsome device the most popular iPad 2? Can I have a look at it? — _______. [      ]
A.
No, you can't
B.
Sorry, it is expensive
C.
Yes, go ahead
D.
Of course, it looks good
【简答题】请简述光纤的传输原理。
【简答题】Look at the __________ (policeman). How handsome they are!
【简答题】新生儿败血症国内最常见的病原菌为(),其次是()。
【单选题】新生儿败血症,我国最常见的病原菌为
A.
大肠杆菌
B.
绿脓杆菌
C.
葡萄球菌
D.
B族链球菌
【判断题】光纤的传输原理基于光从折射率高的介质入射到折射率低的介质时会产生折射。
A.
正确
B.
错误
【单选题】--Wow, isn’t this handsome device the most popular iphone5? Can I have a look at it?  --______.
A.
No, you can’t
B.
Sorry, it’s expensive
C.
Of course, it looks good
D.
Yes, go ahead
【单选题】在加注制冷剂时,如果以液体的方式加入( )
A.
只能从低压侧加蒸发器与压缩机之间 入
B.
只能从高压侧加入
C.
从低压侧加入与从高压侧加入都可以
【单选题】新生儿败血症,我国最常见的病原菌为
A.
葡萄球菌
B.
大肠杆菌
C.
铜绿假单胞菌
D.
衣原体
E.
B组链球菌
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