皮皮学，免费搜题
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【多选题】
按试验介质不同，压力容器的泄露试验包括( )。A.
气密性试验
B.
氨检漏试验
C.
卤素检漏试验
D.
氦检漏试验
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Which of the following is NOT what Dr. Jeremy Joseph had expected before he started off for Zimbabwe?
A.
Poor facilities and lack of medication in the developing countries.
B.
So many patients prematurely blinded by cataracts.
C.
He had to perform. so many cataract surgeries there.
D.
The strong impact this expedition would have on his life.
【单选题】He has lived here for years, ______ nobody knows what he is.
A.
and but
B.
though
C.
and yet
D.
for all that
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