皮皮学，免费搜题
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【单选题】
化合物CH3CSN2(H于酸性溶液中),在分析化学中用来代替( )。A.
氨水
B.
丁二酮肟
C.
硫化氢
D.
碳酸钠
E.
联苯胺
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反馈参考答案：
举一反三
【单选题】What happened to the man?
A.
His car broke down.
B.
He broke his phone.
C.
He lost his way.
【简答题】简述各年龄小儿贫血的血红蛋白数值。
【单选题】His car ___ on his way home yesterday. A. broke B. was broke C. was down D. breaking
A.
broke
B.
was broke
C.
was down
D.
breaking
【单选题】His race-car _____ halfway. He had to give up the race. [ ]
A.
broke down
B.
broke in
C.
broke up
【单选题】以Tarball方式发布的软件,解压缩到/usr/local/src目录下后的安装步骤排序正确的是() 1 ./configure 2 makeclean 3 make 3 install
A.
① ④ ②③
B.
④ ③ ② ①
C.
①②③④
D.
①② ④ ③
【简答题】文件B如果想使用头文件A中声明的函数，则需要在B文件中适当位置添加_________
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