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【单选题】
【晴】下列词语字形正确的一项是( )A.
咳嗽 杜撰
B.
呐罕 小儿 忖度
C.
金螭 厮混 懵懂
D.
绾发 执绔 瞋视
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【简答题】句型转换。 1. David's mother wants to buy him some nice food.(同义句) David's mother _____ _____ to buy some nice food _____ _____ . 2. There is only one English book in my bag. (对划线部分提问) _____ _____ English...
【判断题】David wants to iron his business clothes before his meeting the next morning.
A.
正确
B.
错误
【单选题】May I smoke here? No, you ( ).This is a no-smoking room.
A.
needn't
B.
mustn't
C.
couldn't
D.
wouldn't
【单选题】已知如图所示的哈夫曼树，那么电文CDAA的编码是( )A．110100 B．11011100 C．010110111 D．11111100【图片】
A.
A
B.
B
C.
C
D.
D
【单选题】David wants to be _____ engineer while Cathy wants to be _____ doctor. [ ]
A.
an; the
B.
the; the
C.
an; a
D.
the; a
【简答题】血液的下列参考值，正常的是（ ）
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