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【单选题】
下列各项不属于劳动年龄外人口的是( )。A.
未成年就业人口
B.
老年就业人口
C.
18岁以上就学人口
D.
处于劳动年龄之外且未就业的其他人口
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反馈参考答案：
举一反三
【单选题】已知φӨ (Cr2O72- / Cr3+) =1.33V,φӨ(Br2 / Br -) = 1.066V,φӨ(Fe3+/ Fe2+) = 0.77V,φӨ (I2/I-) = 0.54V,由此可知上述物质中,最强的氧化剂是( ) 。
A.
Cr2O72-
B.
Br2
C.
Fe3+
D.
I2
【单选题】How did he manage to complete a couple of miles?
A.
By fast running.
B.
By jogging.
C.
By walking.
D.
By alternating walking with jogging.
【简答题】Part B (2) Listen again and write down answers to the following questions. 1. What helped Larry to carry on with life when his dream was dashed again and again? _______________________________________...
【单选题】How did he manage to pay his tuition and living expenses?
A.
． He did a variety of part-time jobs.
B.
． He wona few scholarships.
C.
． He borrowed money from his parents.
D.
． He obtained cheap loans from the bank.
【单选题】How did Lenny manage to support himself?
A.
He sometimes got money from his family and made a bit by card-playing.
B.
He got remittance from Turner and made a bit by playing cards.
C.
He joined the bridge club and earn money as a professional card player.
【单选题】已知 φ Ө (Br 2 /Br - )=1.07V ; φ Ө (Hg 2+ /Hg 2 2+ )=0.92V ; φ Ө (Fe 3+ /Fe 2+ )=0.77V ; φ Ө (Sn 2+ /Sn)=-0.14V 。在标准态下不能共存于同一溶液中的是
A.
Br － 和 Hg 2+
B.
Br － 和 Fe 3+
C.
Hg 2 2+ 和 Fe 3+
D.
Sn 和 Fe 3+
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