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【单选题】
B族维生素具有类似的生理功能是A.
维持正常的物质代谢
B.
促进铁的吸收和利用
C.
促进钙的吸收和利用
D.
维持正常的组织健全
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反馈参考答案：
举一反三
【判断题】Watch the video and decide whether the statements are true or false. T/F The Bank of England says migrant workers keep interest rates up.
A.
正确
B.
错误
【多选题】Unit 05-Listening Over the past few decades, Americans have made great strides in accepting and to new definitions of gender roles. Part of the cause is the number of women in the workplace. the Burea...
A.
adjusting
B.
increased
C.
According to
D.
account for
E.
make up
F.
presence
G.
behavior
H.
affair
I.
Companies
J.
benefit
【单选题】Machining is the manufacturing in which the workers can remove the excess material of a part on a machine tool.
A.
T
B.
F
【单选题】The movement of the Luddites or “frame-breakers” was the first workers struggle.
A.
T
B.
F
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