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【单选题】
在光镜下,肺泡管的相邻肺泡开口处有A.
软骨
B.
腺体
C.
结节膨大
D.
肺泡
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【简答题】A: I once heard someone shout, “Look out.” I put my heard out of the window and a bucketful water fell on me. It seems that “Look out” may mean “Don’t look out”. B: I was once on a ship and heard the ...
【单选题】Yesterday, when I went past the classroom, I _______ someone _______.
A.
hear, singing
B.
heard, singing
C.
heard, sang
D.
hear, sang
【单选题】What a shame for me when someone next to me heard a flute in the distance and I heard nothing .
A.
stood
B.
to stand
C.
stand
D.
standing
【简答题】阅读理解 A: I once heard someone shout, 'Look out.' I pu t my heard out of the window and a bucketful water fell on me. It seems that 'Look out' may mean 'Don't look out'. B: I was once on a ship and hear...
【简答题】I was almost asleep last night when I suddenly heard someone _____at the door. A) be knocking B) knocking C) to knock D) having knocked
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