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【单选题】
下列关于食管的描述，正确的是( )A.
黏膜表面覆以复层扁平上皮
B.
上皮内有杯状细胞
C.
肌层为内环外纵两层平滑肌
D.
外膜为浆膜
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反馈参考答案：
举一反三
【简答题】要得到函数y=2sinx的图像,需要把函数y=sinx的图象上所有的点( )坐标( )到原来的( )倍,( )坐标不变。
【单选题】. I _____ her not to walk on the thin ice but she would not listen to me.
A.
warned
B.
persuaded
C.
suggested
D.
noticed
【单选题】According to the passage, British bar staffs don't like customers doing the following things, EXCEPT ______.
A.
being hesitant when ordering drinks
B.
bargaining for the prices with them
C.
occupying the seats around bar counters
D.
staying late in the bars beyond the closing time
【简答题】要得到函数y=2sinx的图像,需要把函数y=sinx的图象上所有的点( )坐标( )到原来的( )倍,( )坐标不变。
【单选题】—You see how thin Ann is! —She gain some weight but she too little.
A.
would; eats
B.
will; eats
C.
would; ate
D.
will; ate
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