题目内容

A formal article usually consists of three parts. what are they?

A. the introduction, the supporting details and the conclusion
B. thesis statement, the body and the conclusion
C. the introduction, the body and the conclusion
D. the introduction, the body and the linking devices

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光纤相对于金属传输线具有哪些优点?

A. 尺寸小,重量轻,原材料蕴藏丰富
B. 具有极宽的传输带宽
C. 具有极低的损耗
D. 抗电磁干扰性好

简述少先队活动的特点。

霍乱患者,粪便标本的性状是

A. 米泔水样便
B. 粘液脓血便
C. 果酱色腥臭便
D. 黑色有金属光泽便
E. 成形黄软便

疑是霍乱应采取的标本是

A. 米泔样呕吐物排泄物
B. 粘液脓血便
C. 脓液
D. 痰
E. 尿液

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