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【单选题】
“京剧”在什么时期诞生的?A.
18世纪末
B.
19世纪初
C.
19世纪中
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反馈参考答案：
举一反三
【简答题】A．folded B．folding C．twisted D．twisting
【简答题】说明波谱仪与能谱仪的展谱原理及特点。
【单选题】Giraffes have (eyes) that allow them (seeing) in all directions without (twisting) their (heads).
A.
eyes
B.
seeing
C.
twisting
D.
heads
【单选题】以下分子中属于不等性杂化的有: (1)H2O,(2)NH3,(3)CH4,(4)C2H4,(5)CH3Cl A : (1)(2)(4) B : (1)(2)(5) C : (1)(2)(4)(5) D : (1)(2)
A.
B.
C.
D.
D
【多选题】The tornado is twisting across the Prairie, _______________________ .
A.
twirling and turning
B.
twirling and whirling
C.
twisting and turning
D.
turning and twirling
【单选题】It is evident that, in speculating about twisting effects, Nodland and Ralslon focused mainly on______.
A.
unconventional measurement instruments.
B.
assumptions and deductions.
C.
references to scientific literature.
D.
discrimination against basic doctrines.
【判断题】.contortion is the act of twisting sth. so that is does not have its normal shape and looks strange. ()
A.
正确
B.
错误
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