试题与答案

Her classmates insisted that she the sch

题型:选择题

题目:

Her classmates insisted that she       the school trip to Guiyang. [ ]

A. organized        

B. organize    

C. would organize    

D. had organized

答案:

答案:B

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题型:读图填空题

下图是三种血管关系示意图,请你据图回答有关问题。(括号内写编号,横线上写名称)

(1)写出图中标号所示血管名称:①                ②                     ③              

(2)血液在标号[   ]所示血管中流动最快,在标号[   ]所示血管中流动最慢。

(3)红细胞在标号[   ]所示血管中呈单行通过,该血管的管壁只由         层上皮细胞构成。

(4)若标号②为肺泡外毛细血管,则标号①表示的血管是               ,其内流           血;标号③内血液将最先流向心脏的             

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