按其在单位时间内所能输出的油液体积是否可调节,液压泵分为()泵和变量泵两类。
参考答案:定量
I don’t believe_____: he said he had finished his homework by himself.
A.you
B.him
C.that
D.this
用斜线(/)给下面短文断句。(5分)
晏子死景公操玉加于晏子而哭之章子谏日非礼也公曰昔者吾与夫子游于公邑之上一日而三不听寡人今其孰能然吾失夫子则亡何礼之有哀尽而去。 ——《晏子春秋•外篇下》