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【单选题】
实验室的下列药品橱柜里,可见到一些的药品和试剂(如下表所列): 药品 橱柜 甲 乙 丙 丁 戊 药品 木炭粉、硫磺、 红磷 铜片、锌粒、 镁带 NaOH溶液、 石灰水 H 2 SO 4 溶液(20%) 浓盐酸 NaHCO 3 、 CuSO 4 溶液 硝酸(HNO 3 )是化学实验室里的常用试剂,初中化学学习中不,若实验需要硝酸,实验室里的下列橱柜中寻找的是(  )
A.
橱柜甲
B.
橱柜戊
C.
橱柜丙
D.
橱柜丁
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【单选题】Animals that are good sleepers ______.
A.
need to have a good sleep after they have exhausted themselves by getting rid of hunting animals
B.
need to have a good sleep after they get tired from hunting other animals
C.
are all mammals
D.
almost always have a safe resting place
【单选题】It is good for you in your future life____ English.
A.
have good knowledge of
B.
to have good knowledge of
C.
to have a good knowledge of
D.
has a good knowledge of
【单选题】—It was a wonderful trip. So,which c让y did you like better,Paris or Rome?— . There were good things and bad things about them.
A.
It's hard to say
B.
I didn't get it
C.
You must be kidding
【简答题】Every one of us, rich or poor,should at least have one or two good friends. I learned that a true friend is the most important in my life after I had gone so many terrible things. I felt upset when I ...
【单选题】按钮、行程开关、万能转换开关按用途或控制对象分属于下列哪一类
A.
低压保护电器
B.
低压控制电器
C.
低压主令电器
D.
低压执行电器
【单选题】People in the plane can______.
A.
have a good sleep
B.
have some small gifts
C.
buy some duty-free things
【单选题】图纸会审应由( )整理会议记要,与会各方会签。
A.
设计单位
B.
施工单位
C.
监理单位
D.
建设单位
【简答题】What are some good things about each place? And what are some bad things?
【单选题】[低压电器类]按钮、行程开关、万能转换开关等电器属于( )
A.
自动电器
B.
执行电器
C.
主令电器
D.
保护电器
【单选题】[低压电气类] 按钮、行程开关、万能转换开关等电器属于
A.
自动电器
B.
执行电器
C.
主令电器
D.
保护电器
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