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【单选题】
已知BCl3是平面三角形分子,则中心原子B所采取的杂化类型为
A.
sp
B.
sp2
C.
sp3
D.
dsp2
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【多选题】生物旅游资源包括( )旅游资源。
A.
微生物
B.
植物
C.
动物
D.
山体
【简答题】It’s the place where smart people make smart machines work even smarter. But for the people who work in it, Silicon Valley (硅谷) is more than just a high technology hothouse. It’s also in the heart of ...
【简答题】自然旅游资源包括( )。
【单选题】In a political cartoon, the senator was depicted as a baseball player who struck out.
A.
photographed
B.
represented
C.
joined
D.
quoted
【简答题】农业生态旅游资源包括田园风光生态旅游资源、()旅游资源和()生态旅游资源等。
【判断题】旅游资源包括自然旅游资源和人文旅游资源,但旅游服务不属于旅游资源。
A.
正确
B.
错误
【单选题】U.S. Senator Elizabeth Warren joined the crowds and spoke at ______
A.
a.  a rally outside
B.
b.  a really outside
C.
c.  a railing outside
D.
d. a reality outside
【多选题】旅游资源包括( )
A.
自然旅游资源
B.
人文旅游资源
C.
有形旅游资源
D.
无形旅游资源
E.
社会旅游资源
【单选题】下列哪种宴会对于到场人数、穿着打扮、席位排列、菜肴数目、音乐演奏、宾主致辞等,都有严格要求?
A.
正式宴会
B.
家宴
C.
便餐
D.
工作餐
【单选题】Billionaires are most unlikely to marry those women who are______.
A.
smart and wealthy
B.
smart but not wealthy
C.
wealthy but not beautiful
D.
beautiful but not smart
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