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【简答题】
肛管内面有 6-10 条纵向的黏膜皱襞,称________;平肛柱上端的环行线为________;相邻肛柱下端间的半月形的皱襞为________;相邻两肛柱及其间的肛瓣所形成的隐窝为________。
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【单选题】What is the effect of the repetition of short sentences beginning with No in Paragraph 11?
A.
They suggest that the writer feels regret when he thinks about what he could have done.
B.
They contrast the differences between teaching and a "normal" male job.
C.
They show how hard it is to be a teacher.
D.
They emphasize a sense of freedom by pointing to things the writer doesn’t have to do.
【简答题】集成运放放大电路有两个输入端,分别为()输入端和()输入端,前者表示输出电压与输入电压相位(),后者表示输出电压与输入电压相位()。
【单选题】What is the function of repetition?
A.
To make your friends and family laugh.
B.
To highlight the repeated part.
C.
To lengthen the content.
D.
To give a fresh view of life, to see things in a wholly new and energized way.
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