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【单选题】
选用0.1%醋酸溶液进行漱口适用于下列哪种细菌感染A.
霉菌
B.
革兰氏阳性菌
C.
肺炎双球菌
D.
绿脓杆菌
E.
革兰氏阴性菌
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反馈参考答案：
举一反三
【单选题】In the reading room, we found her ________ at a desk, with her attention ________ on a book.
A.
seating; fixing
B.
seated; fixed
C.
sitting; fixing
D.
to sit; fixed
【简答题】现有4盒磁带，有几种包装方式？你认为哪种方式更省包装纸？（重叠处不计，画出示意图）
【简答题】Please remain __________ until the plane has come to a complete stop. A．to seat B．to be seated C．seating D．seated
【单选题】I found many people ________ on the benches at the end of the day，chatting.
A.
sitted
B.
sitting
C.
seating
D.
seat
【单选题】The teacher was surprised to see lots of people_____at the back of the room _____ worried. [ ]
A.
seating;looked
B.
seated;looking
C.
sitting;looked
D.
sat;looked
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