【单选题】Where do you think _____ ? [ ]
【简答题】同义句转换。 1. Did you go to the cinema last night? Did you go to the _____ last night? 2. He likes seeing a film very much. He _____ seeing a film very much. 3. I would like to take a walk now. I _____ __...
【多选题】计算周转轮系对应的转化轮系的传动比公式 i AB H = ( ω A -ω H ) /(ω B - ω H ) 中, ____ 。
B.
ω A 、ω B、 ω H 自身的正负号代表转向
【单选题】Seldom _________ to the countryside to see his parents. A) he does B) goes he C) does he go D) he does go
【单选题】What will John do tomorrow?
【单选题】---Your father’s never been to other countries, has he? --- ________. He plans to go abroad for a second time.
【单选题】He said he ______ to the cinema if he ______ time.
【简答题】通过对串联机组及并联机组的效率计算,对我们设计机械传动系统有何重要启示?