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【单选题】
高频天线耦合器的功能是（）A.
匹配输出阻抗
B.
调解高频系统工作频率
C.
调制高频信号
D.
解调高频系统
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举一反三
【单选题】I am not feeling very well. I want to eat _____. [ ]
A.
something
B.
anything
C.
nothing
D.
coffee
【单选题】The British economy achieved global dominance by the .
A.
1860s
B.
1870s
C.
1880s
D.
1890s
【简答题】I am feeling very ___(comfort) while being with my friends.
【简答题】By the 1880s the British economy was in the world.
【简答题】What are the general characteristics of the British economy?
【简答题】情景交际。 A. Thank you, doctor. B. I am not feeling very well. C. Good afternoon. D. Is it serious? E. Do you have a headache? A: Good afternoon, Dr. Smith. B: __ 1 __ Sit down, please. What's wrong with ...
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