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1、Unit 4　Global warming 　　　　　　　　　　　　　　　　　　　 Ⅰ.單項填空 1．Work gets done________when people do it together，and the rewards are higher too. A．easily B．very easy C．more easily D．easier 2．We must take all possible measures________ to improve working conditions. A．tend B．tending C．tended D．be

2、ing tended 3．The education of ________ young has become ________ hot and serious topic in the present society. A．the；/ B．a(chǎn)；the C．/；the D．the；a 4．She as well as the two guides________ the idea of climbing the mountain in such bad weather. A．opposed to B．objected to C．a(chǎn)re opposed to D．a(chǎn)pp

3、roved 5．—What is the cost of your shirts here，sir? —It depends on which fashion you want to buy，and the prices________ from 100 dollars to 500 dollars. A．increase B．range C．reach D．different 6．—Say，Jane，will you come with me to the game Friday? —________，Bob，but I promised Mary I’d go w

4、ith her. A．My pleasure B．Thanks C．Take it easy D．Forget it 7．________，American firms remain the most productive in the world. A．In average B．With average C．On average D．By average 8．We advocate that everyone________some money to the flood-stricken area. A．donates B．to donate C．is do

5、nate D．donate 9．How did it________ that humans speak so many different languages？ A．come about B．come out C．come across D．come up 10．I really don’t know how you________ the great noise here！It’s bad for your health. A．keep up with B．catch up with C．come up with D．put up with

6、11．How many people have________ for the book when it is printed? A．bought B．subscribed C．taken D．booked 12．Large quantities of solid fuel________ consumed every day and too much carbon dioxide is sent into the air，which in turn________ the going up of temperature. A．is；results in B．a(chǎn)

7、re；results in C．is；leads to D．a(chǎn)re；results from 13．—Have you got any idea for the summer vacation? —I don’t mind where we go________there’s sun，sea and beach. A．a(chǎn)s if B．a(chǎn)s long as C．now that D．in order that 14．—I heard your journey was not very pleasant. —But for the sudden rain we

8、________ a wonderful time. A．will have B．should have had C．should have D．had 15．It was on the farm ________ he spent his childhood ________ he learned how to grow vegetables. A．where；that B．which；when C．that；that D．which；which Ⅱ.完形填空 The Pecan Thief When I was six years old，I was visiti

9、ng my grandfather’s farm in Kansas.Grandpa had sent me into the __16__ to gather pecans for us to enjoy later. Pecan picking was really __17__ work and my little basket was only half full.I wasn’t about to __18__ Grandpa down.Just then something caught my __19__.A large brown squirrel was a few fee

10、t away.I watched as he picked up a pecan，hurried to a tree and __20__ in a large hole in the trunk.A moment later the squirrel __21__ out and climbed down to the ground to pick up another nut.Once again，he took the pecan back to his hiding place. Not so __22__ anymore，I thought.I dashed over to the

11、 tree and looked into the hole.It was __23__ with pecans！Golden pecans were right there for taking.This was my __24__.Handful by handful，I scooped all of those pecans into my basket.Now it was full！I was so __25__ of myself.I couldn’t wait to show Grandpa all the pecans.__26__，I ran back and shouted

12、，“Look at all the pecans！”He looked into the basket and said，“Well，well，how did you find so many？”I told him how I’d __27__ the squirrel and taken the pecans from his hiding place. Grandpa congratulated me on how smart I’d been in observing the squirrel and his habits.Then he did something that __2

13、8__me.He handed the basket back to me and put his arm gently __29__ my shoulders. “That squirrel worked very hard to gather his winter __30__ of food，” he said.“Now that all of his pecans are gone，don’t you think that little squirrel will __31__ the cold winter？” “I didn’t think about that，”I said

14、. “I know，”Grandpa said.“But a good man should never take __32__ of someone else’s hard work.” Suddenly I felt a bit __33__.The image of the starving squirrel wouldn’t __34__ my mind.There was only one thing I could do.I carried the basket back to the tree and poured all the nuts into the hole. I

15、 didn’t eat any pecans that night，but I had something much more filling—the __35__ of knowing I had done just the right thing. 16．A.rooms B．woods C．holes D．roads 17．A.hard B．dirty C．light D．easy 18．A.let B．settle C．have D．keep 19．A.sweater B．basket C．eye D．hand 20．

16、A.joined B．lived C．discovered D．disappeared 21．A.jumped B．held C．stood D．found 22．A.strange B．secret C．a(chǎn)nxious D．patient 23．A.covered B．filled C．rebuilt D．decorated 24．A.time B．choice C．chance D．a(chǎn)chievement 25．A.afraid B．a(chǎn)shamed C．careful D．proud 26．A.Ot

17、herwise B．However C．Besides D．Therefore 27．A.driven B．followed C．protected D．caught 28．A.annoyed B．satisfied C．surprised D．delighted 29．A.off B．beside C．over D．a(chǎn)round 30．A.supply B．cost C．support D．preparation 31．A.escape B．spend C．survive D．flee 32．A.place

18、 B．notice C．a(chǎn)dvantage D．charge 33．A.guilty B．unconfident C．embarrassed D．nervous 34．A.open B．leave C．cross D．occupy 35．A.inspiration B．expectation C．impression D．satisfaction Ⅲ.閱讀理解 A tent can be one of the more costly items on your camping equipment shopping list.It is defi

19、nitely something that you need to consider carefully. By seeing a tent for real you will be able to get a better impression of its size and construction in the traditional shop.However，the downside is that，unless you are experienced，you may miss out some of the details that the manufacturer’s promo

20、tional material makes clear.Cheap tents often look similar to the quality models they are mimicking(模仿)，but you can be sure that they use inferior(次的) materials and probably have lower design standards. Shop staff are often campers themselves.That means they usually can give lots of advice.If a sho

21、p assistant agrees with your own conclusions，that will be great；if they try to change your decision with a clear and reasonable argument，then that will be worth considering；if they just try to bamboozle(欺騙)，or even bully，you then walk away. The Internet is a wonderful tool，and so long as you know h

22、ow to make the most of search engines and put in a little effort，you really have the perfect answer waiting to be found.That answer will be different for every camper as each of us has different needs.Don’t be surprised to see your favourite criticized somewhere，but if you see too much criticism，the

23、n you had better start thinking again.No problem.You won’t have spent anything yet，so think of it positively as a large expense saved. Probably the best approach，if you have the time，is to research tents online and make a short list.Then try to inspect those tents at nearby shops.Then you can make

24、a final decision on where to buy your chosen model based purely on total cost. 36．When you go camping，what you should consider most is________. A．the shopping list B．the costly item C．the tent D．the equipment 37．The underlined word “downside” in Paragraph 2 means “________”． A．disad

25、vantage B．instruction C．a(chǎn)rgument D．principle 38．It can be concluded from the third paragraph that________. A．shop assistants usually enjoy going camping B．shop assistants usually have practical advice C．you should consider your idea repeatedly D．it is impolite for you to trouble shop assis

26、tants 39．You can make use of the Internet to________. A．meet your different needs B．find the answer for every camper C．help you out of trouble D．find your favourite tent 40．Which of the following would be the main idea of this passage? A．It is good to buy your tent in the traditional sh

27、op. B．You’d better buy a tent with the help of the Internet. C．Better buy a tent combining seeing tents for real in shops and researching them online. D．Going camping is really beneficial to your health. 1.C 2.B 3.D 4.B 5.B 6.B 7.C 8.D 9.A 10.D 11.B 12.B 13.B 14.B 15.A 16.B 17.A 18.A 19.C 20.D 21.A 22.B 23.B 24.C 25.D 26.D 27.B 28.C 29.D 30.A 31.C 32.C 33.A 34.B 35.D 36.C 37.A 38.B 39.D 40. C