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【多选题】
关于式法检查砷盐的叙述,正确的有( )A.
反应生成的砷化氢遇溴化汞试纸，产生黄色至棕色的砷斑
B.
加碘化钾使五价砷还原为三价砷
C.
与酸作用可生成新生态的氢
D.
加酸性氯化亚锡可防止碘还原为碘离子
E.
在反应中氯化亚锡不会和锌发生作用
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【多选题】下列关于会计职业道德和会计法律制度二者关系的观点中,正确的有( )。
A.
两者在内容上相互渗透、相互吸收
B.
会计法律制度是会计职业道德的最低要求
C.
违反会计法律制度一定违反会计职业道德
D.
违反会计职业道德也一定违反会计法律制度
【单选题】____ in the countryside, though living in town, he ___ his home village all the time.
A.
Brought up; has still th ought of
B.
Being brought up; is still thinking of
C.
Having been brought up; still thinks of
D.
Brought up; is still thinking of
【简答题】短文改错。 Mrs White is a old woman who has a small room in a small village. She has been living there from 1970. That was the year when his husband died. He has been ill for many years. After his death, M...
【单选题】Los Angeles cabinet-maker Edward Stewart may be a modern Dr. Frankenstein. In 1959, he claims, he restored a dead friend to life with a simple technique. He opened the dead man's chest, rubbed his hea...
A.
a trained surgeon
B.
an expert botanist
C.
a skilled electrician
D.
an experienced craftsman
【简答题】阅读理解。 Martin Baker is a bus driver. He lives in a small town with his wife and four children. His wife's father, Mr Butcher, lives with them, too. He is too old to do any work. He sits in his chair by...
【简答题】S是表示多次测量中每次测量值的（）程度，S N 表示（）偏离真值的多少。
【简答题】S是表示多次测量中每次测量值的（）程度，它随测量次数n的增加变化很（），（）表示（）偏离真值的多少，它随测量次数n的增加变化很（）。
【单选题】Tom with his grandmother for eight years，but now he is living by himself.
A.
lives
B.
1ived
C.
has lived
D.
has been living
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