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【判断题】
当烯烃与氢溴酸发生加成反应时,按照规则氢都是加在含氢较多的双键碳原子上。A.
正确
B.
错误
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举一反三
【单选题】Now three wise men are ___________ their gifts to Jesus. [ ]
A.
gave
B.
to give
C.
giving
【单选题】. The custom of giving gifts at Christmas can be traced back to the Wise Men _________gifts to the baby Jesus.
A.
bring
B.
brought
C.
bringing
D.
being brought
【单选题】What is the message of this passage?
A.
Old men are wise and should be respected.
B.
Old men should be hidden in the cellar.
C.
Old men know where young people could find grain.
D.
Young people are not as foolish as old people.
【单选题】A wise and frugal government shall _______ men from injuring one another.
A.
refrain
B.
restrain
C.
abstain
D.
restrict
【单选题】The bond of true affection had pulled us--six very different men from six different countries-across Antarctica we proved in the end that we weren't very different ______ .
A.
for all
B.
as usual
C.
in particular
D.
after all
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