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【单选题】
难发生亲核取代反应的原因为:A.
σ - π 超共轭效应
B.
π-π共轭效应
C.
p- π共轭效应
D.
吸电子诱导效应
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举一反三
【单选题】Being curious, working hard, and believing in ______ was true made him a huge success.
A.
what
B.
that
C.
as
D.
whether
【单选题】新中国成立近70年来特别是改革开放40年来,中国所奉行的外交政策是( )。
A.
负责任的大国外交政策
B.
睦邻友好的外交政策
C.
不结盟的外交政策
D.
独立自主的和平外交政策
【单选题】Being hard-working is of the highest __________ to becoming successful.
A.
important
B.
to be important
C.
importance
D.
being importance
【单选题】______ a host of the show is really ___________.
A.
Being, a hard work
B.
To be, hard-working
C.
Being, work hard
D.
To be, work hard
【单选题】新中国成立近 70 年来特别是改革开放 40 年来,中国所奉行的外交政策是( )
A.
负责任的打过外交政策
B.
睦邻友好的外交政策
C.
不结盟的外交政策
D.
独立自主的和平外交政策
【单选题】You have the ______ of working hard and being successful or not working hard and being unsuccessful.
A.
selection
B.
choice
C.
alternative
D.
option
【单选题】Generally speaking,being hardworking is just ______ it takes to be successful in your career.
A.
what
B.
that
C.
where
D.
which
【单选题】Uncle Sam earned a good reputation ____ ___ being honest and hard working.
A.
because
B.
for
C.
at
D.
despite
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