Professor Smith has great confidence ( ) his students.
A.in
B.over
C.on
D.at

单项选择题Take it easy.You look like a fish ( ) of water.A.outB.inC.withD.from

单项选择题Put in the Coffee and ( )it, you will make the drink.A.twistB.stirC.rollD.hake

单项选择题Your handwriting has a ( ) style. and I can recognize it at once.A.uniqueB.commonC.sharpD.beneficial

单项选择题Having worked hard for half a year, I plan to go on my ().A.vocation B.vacation C.caution D.action

单项选择题We are having a ( ) technical problem with one of our engines.A.lightB.slightC.brightD.slim

单项选择题Rather than（）everything to the last minute he always prefers to start early.A.leaveB.to leaveC.leaving

单项选择题The opportunities for people to meet outside （）a lot the weather.

A.based
B.take
C.depend
D.involve

单项选择题You are allowed to carry-on item and one personal item on most flights, and they are both subject to size restriction.A.航空公司规定旅客一律禁止随身携带液态物品，行李超重另行收费。B.多数航班规定只能随身携带个人物品一件，超过部分要另行收费。C.大多数航班 允许随身携带一件行李和一件个人物品，大小不受限制。D.大多数航班允许携带一件手提行李和一件个人物品，尺寸都有限制。

单项选择题We are well provided _____________ food and clothingA.withB.forC.onD.at

单项选择题The bright plumage of many male birds has （） to attract females.

A.evolved
B.grown
C.developed
D.advanced