主题词一般由()个词或词组构成,一般不超过()个。
A.3至5;7
B.3至6;11
C.2至5;5
D.2至6;10
参考答案:A
—The skirt is too expensive; its color too dark, and….
—_______. Is there anyone so particular like you?
A.Take it or leave it
B.Can’t complain too much.
C.Go ahead.
D.Cheer up.
诱导轮实质上是一个轴流式叶轮。