March ______ eighth, ______, falls on Mo

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问题选择题

March ______ eighth, ______, falls on Monday this year.

A. the, Women's Day
B. the, the Women's Day
C. /, the Women's Day
D. /, Women's Day

答案

答案：A

选择题

Mary sits _________ the classroom and I sit _________ her.

A．in the front of, in the front of

B．in front of, in front of

C．in the front of, in front of

D．in front of, in the front of

单项选择题

在筛管运输机理的几种学说当中，主张筛管液是靠源端和库端的压力势差建立起来的压力梯度来推动的，是哪一种？（）

A、压力流动学说

B、胞质泵动学说

C、收缩蛋白学说