A.infertile
B.disastrous
C.plausible
D.impeccable
[单选题]We want to use thewater to irrigate (barren) land.A.hairlessB.bareC.emptyD.
These people moved from place to place over the land, hunting animals for food.N
[单选题]The explorer losthis way so he climbed to the top of the hill to [determine
[单选题]How is it possible that such widespread deceptionhas come to take place rig
[单选题]Gas does [accumulate]in the mines around here.A.step upB.decreaseC.stopD.co
[单选题]Gas does [accumulate]in the mines around here.A.increaseB.spreadC.collectD.
[单选题]The once [barren]hillsides are now good farmland.A.hairlessB.bareC.emptyD.b
[单选题]The once [barren]hillsides are now good farmland.A.hairlessB. bareC. emptyD
[单选题]When _________a hill, the driver should build up speed early in order to cut down gasoline consumption.A. approachedB. to approachC. approachD. approaching
[名词解释] 希尔反应(Hill reaction)