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【单选题】
下列关于醇的说法错误的是A.
羟基中氧原子是SP3杂化
B.
羟基中氧原子是SP2杂化
C.
羟基中 C-O 键是极性键。
D.
羟基中 H-O 键是极性键。
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【单选题】A (n)______attitude at a critical time such as this is not justified by the news reaching us from the war front.
A.
pessimistic... somber
B.
sanguine.. somber
C.
salubrious... optimistic
D.
arbitrary... gloomy
【单选题】He is honest. His actions are always ______ his words.
A.
contradictory to
B.
contradicted by
C.
agreed with
D.
consistent with
【单选题】Why was St. Valentine beheaded?
A.
For his disloyalty to the Roman Emperor.
B.
For his faith in God and Christianity.
C.
For practicing witchcraft such as healing the blind people.
D.
For a criminal offence.
【单选题】What do we know about the Golden Gate Bridge from the passage?
A.
It was named after the California Gold Rush.
B.
It connected the Pacific coast with the Atlantic seaboard.
C.
It cost a lot of money because it was covered with gold.
D.
It is suspended.
【单选题】According to the author, the reason for most people to attach more credibility to news reports than to ads is
A.
the former reach a larger audience than the latter do
B.
the former are more objective
C.
the former appear in independent media
D.
the latter are much more in number and stand out clearly
【单选题】His policies, especially in the first two years of his presidency, have often been ________ and contradictory.
A.
confuse
B.
confusing
C.
demanded
D.
demanding
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