问题
单项选择题
铜绿假单胞菌（绿脓杆菌）感染表现为（）。
A.黄色脓性痰
B.黄绿色或翠绿色痰
C.微黄奶酪样痰
D.痰黏稠抽拉成丝
E.水样痰，内含粉皮样物
答案
参考答案：B
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铜绿假单胞菌（绿脓杆菌）感染表现为（）。
A.黄色脓性痰
B.黄绿色或翠绿色痰
C.微黄奶酪样痰
D.痰黏稠抽拉成丝
E.水样痰，内含粉皮样物
参考答案：B
American people like to ____“Thank you” when（当----的时候） others help them or say __ to them. Many Chinese people do so, ____. It is a very ____. You must say “Thank you” when someone passes(传递) you something on the table, when someone ____ the door open for you, when someone says you do your work ____, or you buy a nice thing or your city is ____. “Excuse me” is another sentence（句子）they often say. When you hear someone say “Excuse me” ____ you, you know he wants to pass you without touching（接触）you. If you want ____ others, say “Excuse me” first, and then begin talking. Let/s ____“Thank you: and “Excuse me” from now.
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