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【判断题】
HCl和 中所含化学键类型相同。A.
正确
B.
错误
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举一反三
【单选题】It is said that an old man lives on the island ________.
A.
alone: alone
B.
alone: lonely
C.
lonely: lonely
D.
lonely: alone
【单选题】It is said that an immediate review of what you have learned will help make your knowledge .
A.
interesting
B.
useful
C.
permanent
D.
deep
【简答题】It is said that an industrial robot _________ many attributes in common with a numerical control machine tool.
【单选题】It is said that an immediate review of what you have learned will help make your knowledge______.
A.
temporary
B.
contemporary
C.
permanent
D.
persistent
【简答题】It is said that an ancient Chinese ruler called Shen Nong was the first (discover发现) tea as a drink.
【简答题】It is said that an bridge will be built over the river.(elevate)
【单选题】It is said that an American starts a speech with a joke, _______ a Japanese seldom .
A.
as
B.
B when
C.
C though
D.
D while
【单选题】It is said that an American starts a speech with a joke a Japanese seldom.
A.
as
B.
when
C.
though
D.
while
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