1、Units 1-3I. 每空填一词，使每组句子的意思相同或相近。1. It can be dangerous for people who are easily influenced to go online._ _ can be dangerous for people who are easily influenced.2. It is common for most Americans to change jobs many times in a lifetime.For most Americans, _ _ many times in a lifetime is common.3.
2、To plan so far ahead makes no sense so many things will have changed by next year._ so far ahead makes no sense so many things will have changed by next year.II. 根据汉语意思补全下列句子（每空一词）。1. 明年这个时候，我们将正在建一座新公园，要比市里其他公园都大。We _ _ _ _ _ _ this time next year, which willbe larger than any others in the city.2.
3、 明天这个时候，他们正坐在电影院里，看一部关于时光旅行的电影。This time tomorrow they _ _ _ _ _ _,watching a movie about time travel.3. 明天 9 点到 11 点之间不要给史密斯先生打电话，他那个时候正在做讲座。Dont call Mr. Smith between 9:00 and 11:00 tomorrow. He _ _ _ _ then.4. 你今天晚上用你的电脑吗？_ _ _ _ _ _ this evening?5. 喝了这个药以后，你会感觉好很多。After you take the medicine, y
4、ou _ _ _ _.III. 将下列各组中的两个句子合成一个含有非限制性定语从句的复合句，并使句意基本保持不变。1. The boy wants to be a doctor in the future. His father died of cancer._2. Helen said that she had never seen the painter before. This was not true._3. The children will put off the picnic until next Sunday. Their father will be free then._4
5、. They went to Xixi National Wetland Park. They stayed there for a day._5. The exchange students were warmly welcomed. They were from England._IV. 用括号内动词的正确形式填空。1. _ (live) in a city has many advantages, but urban residents also need theopportunity to reconnect with nature. Urban parks provide that
6、opportunity for busy individualswho dont have time 2. _ (travel) far from home to make the connection. Parks are acrucial part of a neighborhood and plans for urban development should include them because ofthe benefits they have to offer.Lowering temperatureMany cities suffer from the heat island e
7、ffect. This effect causes an increase of thetemperature of the city by several degrees when 3. _ (compare) to that of nearby areas.4. _ (increase) the number of urban parks combined with green roofing can reduce theheat island effect, 5. _ (keep) temperatures cooler and the city more comfortable.Cle
8、aning the airTrees in a park help to reduce air pollution, which makes it easier for people with respiratory(呼吸的) problems 6. _ (breathe). In Atlanta, trees remove about 19 million pounds ofpollutants from the air each year.Improving physical healthUrban parks help to increase the number of citizens
9、 7. _ (exercise) regularly, whichhelps to reduce obesity (肥胖) in the city along with the health issues it brings.Improving mental healthUrban parks help improve mental health by 8. _ (provide) a place to connect withother people. The mental health benefits extend even further. As little as 10 minute
10、s in a woodedarea or park can help to reduce the effects of stress.V. 用适当的关系词完成下面短文。The Nobel Peace Prize was first awarded in 1901 to Frdric Passy and Jean Henry Dunant.Jean Henry Dunant was a Swiss businessman from Geneva. In 1859, Dunants travels took him tothe small town of Solferino, 1. _ today
11、 is in Italy. He had been travelling all day when hearrived in the town, 2. _ he found had been the scene of a battle between Napoleon IIIsarmy and the Austrian army. More than 30,000 men had been killed or seriously wounded. Dunant,3. _ was shocked by what he saw, decided to stay on to help with th
12、e injured. He wroteabout his experiences in a book called A Memory of Solferino. This book became the inspirationfor the creation of the International Red Cross, 4. _ mission is to protect human life andhealth.VI. 阅读下列短文，在空白处填入 1 个适当的单词或括号内单词的正确形式。AIsaac Newton was one of the greatest figures in the
13、 history of science. His ideas about motion(运动) and gravity are 1. _ (particular) vital to the science of physics.Isaac Newton was born on January 4, 1643. His father, 2. _ was a farmer, diedbefore he was born. And he 3. _ (raise) by his grandmother.In 1661 Newton entered Cambridge University, where
14、 he became 4. _ (interest) innew scientific ideas that were coming out of Europe. They included the idea that the earth and theother planets travel around the sun.After 5. _ (graduate) from college, Newton returned to his familys farm. But hecontinued to study and do experiments on his own. His firs
15、t great 6. _ (discover) camefrom his experiments with light. He found that when white light passes through a prism (三棱镜),it breaks up into a band of colors. Newton reached the conclusion 7. _ white light is amixture of colors.Newton also wanted 8. _ (know) what keeps the moon in orbit around the ear
16、th. Hethought that only a pull between the earth and the moon could explain it. This pull was calledgravity. Newtons work showed how gravity controls the motion of the planets around the sun9. _ well as the motion of the moon. As he studied gravity and motion, Newton also made10. _ (importance) cont
17、ributions to mathematics.BWhile millions of us have smart devices in our homes, some are 1. _ (good) at doingcertain tasks than others.Now, a Delaware company is winning awards for a new sensor, 2. _ could make asmart home even smarter. Its XK-400 Sensor from Xandar Kardian, one of this years Consum
18、erElectronics Show winners for smart home innovation.Businesses 3. _ (usual) use infrared (红外线 的) sensors to shut off the lights ifyouve left the room. They work well enough but arent very accurate. If you dont make a big4. _ (move) while youre working or sleeping, they cant tell you are there. Howe
19、ver, theXandar Kardian sensor uses radar and is 99.9 percent accurate.“Radar technology is secure 5. _ (use), and it can sense micro-vibration (微振动)patterns 6. _ (come) from the body,” says Xandar Kardian managing director Sam Yang.Those vibrations include your heart rate 7. _ breathing patterns. Th
20、at means intomorrows smart home, your devices will be able to tell 8. _ youve fallen asleep andadjust automatically. If the sensor determines your heart rate has dropped 9. _ a certainpoint, it can turn off the TV and adjust the temperature accordingly.It goes well beyond turning appliances off or o
21、n. The radar sensor could detect intruders (闯入者) and even call a family member if you fall or have a sudden, 10. _ (danger) changein heart rate.答案I.1. Going online 2. changing jobs3. PlanningII.1. will be building a new park 2. will be sitting in the cinema3. will be giving a lecture 4. Will you be
22、using your computer5. will feel much betterIII.1. The boy, whose father died of cancer, wants to be a doctor in the future.2. Helen said that she had never seen the painter before, which was not true.3. The children will put off the picnic until next Sunday, when their father will be free.4. They we
23、nt to Xixi National Wetland Park, where they stayed for a day.5. The exchange students, who were from England, were warmly welcomed.IV.1. Living / To live 2. to travel3. compared 4. Increasing / To increase5. keeping 6. to breathe7. exercising 8. providingV.1. which 2. which3. who 4. whoseVI.A1. particularly 2. who3. was raised 4. interested5. graduating / graduation 6. discovery7. that 8. to know9. as 10. importantB1. better 2. which3. usually 4. movement5. to use 6. coming7. and 8. if / whether9. to 10. dangerous学科网（北京）股份有限公司
