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【简答题】
称取铁矿石0.2000 g, 经处理后,用0.00833 mol/L 重铬酸钾标准溶液滴定,耗去25.20 mL,则铁矿石中 的质量分数为__________ [2分]%。
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举一反三
【单选题】These ideologues may talk much about choice, but when it comes to home versus career, there is no choice: only the paid workforce is where women should be. What does the underlined part refer to?
A.
Government officials.
B.
Women in general.
C.
Feminists.
D.
None of the above
【单选题】What do we learn about the training?
A.
It is paid by the woman.
B.
It is partly done on work time.
C.
It runs from Wednesday to Friday.
【单选题】What does the company say about the parking rates?
A.
They will vary with the size of vehicles.
B.
They will be discountable to regular customers.
C.
They will be lower than conventional parking.
D.
They will be reduced if paid in cash.
【简答题】“两就锁钥无双地，万里长城第一关”是指_____。
【单选题】What does the speaker say about the teachers in the college?
A.
They are well paid.
B.
They are mainly from New York State.
C.
They usually stay for two years.
D.
They needn't pay for their rent.
【单选题】What do we learn about paid family leave from the first paragraph?
A.
America is now the only developed country without the policy.
B.
It has now become a hot topic in the United States.
C.
It came as a surprise when Australia adopted the policy.
D.
Its meaning was clarified when it was established in Australia.
【单选题】What does the man say about the job in the States?
A.
It is well paid.
B.
B) It is stimulating.
C.
It is demanding
D.
It is fairly secure.
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