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【单选题】
妥类药物的基本结构为
A.
乙内酰脲
B.
环丙二酰脲
C.
氨基甲酸酯
D.
酰亚胺
E.
丁酰苯
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参考答案:
举一反三
【简答题】The road is covered with snow.I Can’t understand _______ they insist on going by motorbike. A.why B.whether C.when D.how
【单选题】在第一次减数分裂时,核膜的解体主要是在()。
A.
偶线期
B.
粗线期
C.
终变期
D.
中期
【单选题】(How) an interesting role she (played) in the film! (No wonder) she (has won) an Oscar.
A.
How
B.
played
C.
No wonder
D.
has won
【单选题】The film _______ a novel by D.H.Lawrence.
A.
is basing on
B.
based on
C.
is based on
D.
is from
【单选题】Tom, as   well  as me, ____ that the director is going to attend the ceremony of film.
A.
knows
B.
know
C.
have known
D.
am to know
【单选题】下列关于二--十进制的编码器说法,那个错误。
A.
其代码输出端一定是4个。
B.
其信号输入端一定是10个。
C.
其输入信号和输出信号根据需要设计成低电平有效,也可以设计成高电平有效。
D.
当使能端为无效信号时,输出端全为0
【简答题】Li Shen: Finally here we are. You know I’m excited to be here. But I can’t understand the English. ( 1 ) Alice: Yes. It’s ( 2 ) from the Chinese Menu. Li Shen: What’s the appetizer ? Alice: The ( 3 ) ...
【单选题】I can’t understand ____________ the boy alone.
A.
why did she leave
B.
why had she left
C.
why she left
D.
why she had left
【简答题】二-十进制编码器其输入端为 个,输出端为 个.
【单选题】Film has a much shorter history, especially when __________ such art forms as music and painting.
A.
having compared to
B.
comparing with
C.
compare with
D.
compared with
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