问题 选择题

环境和环境问题是当代人最关心的问题之一。据此回答下列各题。

小题1:关于人类对环境影响的叙述,正确是    (  )

A.人类可以通过植树造林来恢复被砍伐林区原有的生态环境、

B.生态环境遭到破坏后,人工措施无法恢复其原貌

C.人类活动不能改变干洁空气的成分

D.人类进行任何生产和生活活动都会对环境造成伤害小题2:关于环境和环境问题的叙述,正确的是   (    )

A.发达国家的环境问题比发展中国家严重

B.水土流失和酸雨危害在许多国家都存在,是全球性的环境问题

C.天然水体具有一定的自净能力,湖泊水量大故自净能力强

D.水体富营养化的主要污染物质是含有氮、磷的化合 物小题3:下列人类活动,不会对环境产生破坏是    (    )

A.大型港口的建设

B.人类社会早期的渔猎活动

C.在大沼泽地建立国家公园.挖渠排水

D.在湖泊中网箱养鱼,投放饵料

答案

小题1:B

小题1:D

小题1:B

(1)原有的生态环境遭到破坏后,人类无法恢复;干洁空气的成分有二氧化碳、臭氧、氧和氮,人类活动可以改变干洁空气的成分;人类活动分有利和不利两方面。

(2)发展中国家主要面临的问题是生态破坏,发达国家主要是环境污染,发展中国家问题更严重;水土流失不属于全球八大环境问题之一;水体有一定的自净能力,湖泊流动性差,自净能力比较弱。

(3)人类社会早期,人地关系协调,所从事的渔猎活动对环境影响最小。

单项选择题
完形填空
The train shakes back and forth, its wheels making a loud noise against the tracks. Outside the window the freezing cold of winter rules. The carriage is filled with cold, ___1___ passengers.
Suddenly a little boy ___2___ his way through the grown-up legs and sits down by the window. He is all alone among the ___3___ grown-ups. What a brave child, I think. His father ___4___ very strange happens suddenly. The ___5___ little boy slides down from his seat and leans his hand on my knee. ___6___, I think that he wants to ___7___ me and return to his father, so I help him to stand up. But instead he leans forward and holds his ___8___ up towards mine. He wants to say something to me, I think. I lower my head to receive the ___9___. Wrong again! What I do receive is a ___10___ kiss on the cheek.
The boy calmly returns to his seat, leans back and continues looking out of the window. I am ___11___. What just happened? A child is kissing ___12___ grown-ups on the train. How can anybody want to kiss such a man that has so much beard? Soon enough, all of my neighbors are certainly ___13___. Nervous and a little surprised, we ___14___ at the father. When he sees our questioning ___15___ as he gets ready for his stop, he offers a clue(线索).
“He’s so happy to be alive,” the father says. “He has been very sick.”
Father and son ___16___ into the crowd moving toward the exit. The doors close and the train goes on. On my cheek I can still ___17___ the child’s kiss—a kiss that has triggered(触发) some soul-search inside me. How many ___18___ kissing each other from the joy of being alive? How many even give much thought to the privilege(特权)of ___19___?
The little kisser had taught us a sweet but serious lesson: Be careful you don’t let yourself ___20___ before your heart stops!
小题1:
A.excitedB.tiredC.pleasedD.surprised
小题2:
A.feelsB.fightsC.pushesD.picks
小题3:
A.unfriendlyB.friendlyC.angryD.kind
小题4:
A.likesB.promisesC.choosesD.agrees
小题5:
A.impoliteB.seriousC.luckyD.ugly
小题6:
A.In no timeB.For a momentC.In a whileD.Once in a while
小题7:
A.kickB.strikeC.kissD.pass
小题8:
A.eyeB.earC.headD.lip
小题9:
A.newsB.messageC.kissD.fortunate
小题10:
A.loudB.foolishC.strangeD.interested
小题11:
A.pleasedB.shockedC.satisfiedD.familiar
小题12:
A.well-knownB.smartC.unknownD.persuaded
小题13:
A.praisedB.kissedC.scoldedD.whisper
小题14:
A.stareB.smileC.warnD.whisper
小题15:
A.glancesB.angerC.mouthsD.feeling
小题16:
A.appearB.getC.disappearD.follow
小题17:
A.touchB.trustC.smellD.feel
小题18:
A.go aroundB.come atC.keep onD.insist on
小题19:
A.a childB.a kissC.livingD.death
小题20:
A.liveB.stopC.dieD.sleep