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【判断题】
PM2.5是指空气动力学当量直径≦2.5 u m的细颗粒物。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】计算机配置的内存的容量为128MB或128MB以上,其中的128MB是指__________。
A.
128×1000×1000×8个字节
B.
128×1000×1000个字节
C.
128×1024×1024×8个字节
D.
128×1024×1024个字节
【单选题】They asked many questions ___________ had nothing to do with that topic.
A.
which
B.
who
C.
where
D.
when
【单选题】What does the woman advise the man to do?
A.
Search books in the Internet.
B.
Narrow his topic down.
C.
Try more books.
D.
Look for a new topic in magazines.
【简答题】细胞及生物体通常由水、无机盐、 、 、 以及 6类化合物所组成。
【简答题】请选择如下中心法则图片中的数字填空:
【单选题】新生儿黄疸出现下列哪种情况应进行换血疗法:
A.
黄疸在生后2天～3天出现
B.
每日胆红素上升不超过85μmol/L（5mg/dl）
C.
血清总胆红素＜205μmol/L（12mg/dl）
D.
血清总胆红素＞342μmol/L（20mg/dl）
【简答题】Discussion topic: Films/Movies Example questions: &8226;To what extent do you think that most films are realistic? &8226;Do you think that people's tastes in films change as they get older? &8226;What...
【简答题】Discussion topic: Transport Example Questions: &8226;Which types of transport do you think are better for short journeys and which are better for long ones? &8226;Is flying a common form. of transport...
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