1、 课课练二一：语法填空 Are you facing a situation that looks impossible to fix? In 1969, the pollution was terrible along the Cuyahoga River Cleveland, Ohio. It 1. _（be）unimaginable that it could ever be cleaned up. The river was so polluted that it 2._ (actual) caught fire and burned. Now, ears later, this ri
2、ver is one of 3._most outstanding examples of environmental cleanup.But the river wasnt changed in a few days 4._ even a few months. It took years of work 5._(reduce ) the industrial pollution and clean the water. Finally, that hard work paid off and now the water in the river is 6._(clean) than eve
3、r. Maybe you are facing an impossible situation. Maybe you leave a habit 7._is driving your family crazy. Possibly you drink too much or dont know how to control your credit card use. When you face such an impossible situation ,dont you want a quick fix and something to change immediately? While the
4、re are 8. _ (amaze) stories of instant transformation, for most of us the 9._(change) are gradual and require a lot of effort and work, like cleaning up a polluted river. Just be10. _ (patience).二：短文改错It was 7:15 in the morning of February 8, 2007I was walking along Park Road towards the east whilea
5、n old man came out of the park on the other sides of thestreet. Then I saw a yellow car drive up Third Street and madea right turn into Park RoadThe next moment the car hitthe man while she was crossing the road. He fell with a cry. The car didnt stop and drive off at full speed heading west. I noti
6、ced the driver was young woman wore a pair of glasses and the platenumber was AC864After two minutes later, I stoppeda passed car and took the old man to the nearest hospital三：七选五 The Internet has opened up a whole new on-line world for us to meet, chat and go where weve never been before. But just
7、as in face-to-face communication, there are some basic rules of behavior that should be followed when online. 66Imagine how youd feel if you were in the other persons shoes. For anything youre about to send: ask yourself, “Would I say this to the persons face?” If the answer is no, rewrite and rerea
8、d. 67If someone in the chat room is rude to you, your instinct is to fire back in the same manner. But try not to do so. 68If it was caused by a disagreement with another member, try to fix the situation by politely discussing it. Remember to respect the beliefs and opinions of others in the chat ro
9、om. 69Offer advice when asked by newcomers, as they may not be sure what to do or how to communicate. When someone makes a mistake whether its a stupid question or an unnecessarily long answer be kind about it. If its a small mistake, you may not need to say anything. Even if you feel strongly about
10、 it, think twice before saying anything. Having good manners yourself doesnt give you license to correct everyone else. 70At the same time, if you find you are wrong, be sure to correct yourself and apologize to those that you have offended. It is not polite to ask others personal questions such as
11、their age, sex, and marital status. Unless you know the person very well, and you are both comfortable with sharing personal information, dont ask such questions.AIts natural that there are some people who speak rudely or make mistakes online. BRepeat the process till you feel sure that youd feel co
12、mfortable saying the words to the persons face. CEveryone was new to the network once. DThe basic rule is simple: treat others in the same way you would want to be treated. E. When you send short messages to a person on line, you must say something beautiful to hear.F. You should either ignore the p
13、erson, or use your chat software to block their messages.G. If you do decide to tell someone about a mistake, point it out politely.四：阅读理解 Any owner will tell you how much joy a pet brings. For some，an animal provides more comfort than a husband/wife. A 2002 study by Karen Allen of the State Univers
14、ity of New York measured stress(紧张) levels and blood pressure in peoplehalf of them pet ownerswhile they performed 5 minutes of mental arithmetic(算术) or held a hand in ice water.Subjects completed the tasks alone，with a husband/wife，a close friend or with a pet.People with pets did it best. Those te
15、sted with their animal friends had smaller change in blood pressure and returned most quickly to baseline heart rates. With pets in the room，people also made fewer math mistakes than when doing in front of other companions.It seems people feel more relaxed(放松) around pets，says Allen，who thinks it ma
16、y be because pets dont judge. A study reported last fall suggests that having a pet dog not only raises your spirits but may also have an effect on your eating habits.Researchers at Northwestern Memorial Hospital spent a year studying 36 fat people and their equally fat dogs on dietandexercise progr
17、ams；a separate group of 56 people without pets were put on a diet program.On average，people lost about 11 pounds，or 5% of their body weight.Their dogs did even better，losing an average of 12 pounds，more than 15% of their body weight.Dog owners didnt lose any more weight than those without dogs but，s
18、ay researchers，got more exercise overallmostly with their dogsand found it worth doing.67What does the text mainly discuss?AWhat pets bring to their owners. BHow pets help people calm down.CPeoples opinions of keeping pets. DPets value in medical research.68We learn from the text that a person with
19、heart disease has a better chance of getting well if _.Ahe has a pet companion Bhe has less stress of workChe often does mental arithmetic Dhe is taken care of by his family69According to Allen，why did the people do better with pets around when facing stressful tasks?AThey have lower blood pressure.
20、 BThey become more patient.CThey are less nervous. DThey are in higher spirits.70The research mentioned in the last paragraph reports that _.Apeople with dogs did more exercise Bdogs lost the same weight as people didCdogs liked exercise much more than people did Dpeople without dogs found the program unhelpful
