【简答题】In limited respects, perhaps the recession will leave society bettr off.
【简答题】Perhaps, particularly in the area of ________. I think hotels will need to improve ________ in general.
【简答题】果胶酶的来源可以是__________、__________、__________、__________等。
【单选题】活塞有效作用面积一定时,活塞的运动速度取决于( ) A. 液压缸中油液的压力 B.负载阻力的大小 C.进入液压缸的流量 D. 液压泵的输出流量 ,,
【判断题】Betty is perhaps older than Dolly.
【判断题】淘宝网买家评价的结果直接影响到网店的好评率、宝贝的销量和销售的业绩,甚至影响到店铺能否参加“聚划算”等人气促销活动。
【单选题】工作缸活塞有效作用面积一定时,活塞的运动速度取决于( )。
【单选题】------ I can’t see the words on the blackboard. ------ Perhaps you need __________.
A.
to have your eyes examined
C.
to have examined your eyes
D.
your eyes to be examined
【单选题】This is not ______ book,perhaps it is________. (物主代词)