A.liveB.livesC.livedD.livingThe city has a population o……

判断题An inadequate knowledge of grammar would severely constrain one’s capacity for effective communication.（）

单项选择题titanic（）

A.limited
B.powerful
C.timid
D.panic

单项选择题precarious（）

A.unsafe
B.cautious
C.preoccupy
D.steady

单项选择题grime（）

A.lime
B.smile
C.color
D.dirt

单项选择题forlorn（）

A.movable
B.liberal
C.deserted
D.divided

单项选择题lacerate（）

A.produce
B.manage
C.control
D.hurt

单项选择题In many cultures，specific events are a（）of adulthood.

A.sign
B.symbol
C.mark
D.signal

填空题Banked ClozeTravel is a perfect way to test ones mettle，and the rewards are great.Generally，when people find themselves on the cusp of adventure，the one thing they are（）to do is to take the leap.But what if the cusp comes in the form of a perilous precipice？As Sloane Crosley discovers，sometimes the（）choice is the better choice.Sloane came to Australia on a（）tour and almost immediately met Jill，a fearless Australian local.On Sloanes day off，Jill showed Sloane around Sydney and arrived at Nielsen Park at night.After changing into their wetsuits，they started hiking up into the woods and finally reached a cliff over the Shark Bay.As a result of lacking thrills in everyday life，Sloane desired to（）off the cliff to prove she was as（）as a teenager.However，several（）contributed to her hesitation.She had no experiencing in cliff jumping or related activities.The water was（）and the terrain under the sea was unseeable.Her seasoned（）Jill had second thoughts about this idea.Eventually，it was Jill that decided to stop this（）attempt.While they changed out of the wetsuits in a public restroom，they（）until there were tears rolling down their faces.Barring that，Sloane came to the realization that it was okay not to jump.A.safer B.hazardousC.encouragedD.criedE.bookF.laughedG.variablesH.adventurousI.springJ.opaqueK.transparentL.companionM.partnersN.gargoyleO.violent

单项选择题Which categories of goods are excludable？（）

A.private goods and club goods
B.private goods and common resources
C.public goods and club goods
D.public goods and common resources

判断题One way to treat the re-entry depression is to regard the travel as a way to learn how to live your daily life.（）

判断题The “post-travel blue”means that after a trip you feel happier so that the sky looks blue.（）

单项选择题Domestic oil（）and gasoline prices are two important issues in the presidential campaign.

A.exploration
B.explored
C.exploring
D.explore

单项选择题Vietnam has（）as the world’s third-biggest rice exporter.

A.emerged
B.merged
C.occurred
D.happened

单项选择题Mr.Leach is on holiday and was not（）for comment.

A.amazed
B.available
C.annoyed
D.anticipate

单项选择题（）that dieting is fruitless for people who think that they are too fat，the alternatives are fairly limited.

A.Assuming
B.Assumed
C.Assume
D.Assembled