1、Unit 4-5I. 用括号内动词的正确形式填空。1. We are all puzzled at their decision _ (give) up the scientific experiment.2. Helen may be an ideal person _ (explain) the competition rules to these astronauts.3. They hurried to the theatre after school only _ (find) tickets for the play had been soldout.4. We are all g
2、lad _ (know) that China has become the third country in the world tosuccessfully collect rocks from the moon.5. Jim has a brother _ (work) aboard the International Space Station.II. 选用括号内合适的内容填空。1. We never imagined that John _ (would become, will become) an outstandingastronaut.2. We _ (had wanted,
3、 would want) to visit Canada for a long time. So we wentthere as soon as we saved enough.3. The accident happened as the spacecraft _ (has gone, was about to go) intoorbit.4. I lost my wallet while I _ (was waiting, would wait) for the bus.5. The girl promised that she _ (hadnt wasted, wouldnt waste
4、) money on thatagain.III. 根据括号内的提示将下列句子翻译成英语。1. 我不能保证什么，但是我会尽我所能帮你。 (can)_2. 如果有必要的话，我可以早一点来。 (could)_3. 我能问一下你为什么想当宇航员吗？ (may)_4. 引擎一定出故障了。 (must)_5. 你怎么敢问我这样一个问题？ (dare)_IV. 选用括号内合适的情态动词补全下面对话。Dorota and Halina are on the way to an outlet mall. Halina asks Dorota about car seats forher daughter, A
5、nna.Halina: This is my first trip to an outlet mall. 1. _ (Could, Should) I get a new car seat forAnna there? Shes too big for her old one now. And shes still too small for a seat belt.Dorota: Sure. And things arent so expensive at the outlet mall.Halina: What kind of car seat 2. _ (should, can) I g
6、et?Dorota: Well, shes two now. Seats for toddlers (学步儿童) are different. We 3. _ (can,dare) look in several stores.Halina: How long does Anna have to use a car seat?Dorota: In this state, children have to use a car seat until age eight, eighty pounds, or fifty-seveninches tall.Halina: Where 4. _ (sho
7、uld, will) I put Annas seat? Can I put it on the front passengerseat?Dorota: No. Children 5. _ (neednt, mustnt) sit in the front seat. They should sit in theback seat until age twelve.Dorota and Halina are arriving at a gas station.Dorota: I have to stop for gas. Heres a gas station.Halina: I can pa
8、y. Do we have to pay first?Dorota: No, we 6. _ (mustnt, neednt).Halina: Can I buy water here? Im thirsty.Dorota: Yes, you can. This gas station has a store.V. 用括号内动词的正确形式填空。On November 15, 2020, the rocket company SpaceX launched four astronauts to theInternational Space Station (ISS). It was NASAs
9、first full flight with a private American spacecompany, 1. _ (mark) a big change in the way that space travel will happen in the future.The Falcon 9 rocket and the Crew Dragon capsule, which is used 2. _ (carry) theastronauts, are owned by Elon Musks SpaceX company, and NASA paid 3. _ (use) them.The
10、 Crew Dragon capsule completed the flight to the ISS automatically (自动地), withoutthe crew needing 4. _ (do) anything. Then the capsule remains attached to the ISS untilits time 5. _ (return) to Earth.The four astronauts on board Michael Hopkins, Shannon Walker, and Victor Glover ofNASA, and Soichi N
11、oguchi of Japan are expected 6. _ (stay) on the ISS for six months.While there, they will run many different experiments and work 7. _ (keep) the ISS ingood shape.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。AJohn Herschel Glenn Jr is remembered as the first American 1. _ (orbit) the earth.Glenn was born o
12、n July 18th, 1921, in Cambridge, Ohio. He attended primary and secondaryschools in New Concord, and he studied science at the Muskingum College, soon after2. _ he received his private pilot license.In 1942, Glenn joined the United States Navy as a pilot. Thereafter, he switched to the UnitedStates M
13、arine Corps. He also served as a fighter pilot in World War II and flew many 3. _(mission) over the Pacific Ocean.In 1959, Glenn joined Project Mercury of NASA. He was the oldest of the seven pilots4. _ (select). His task was to fly a Mercury spacecraft called “Friendship-7”. He retiredfrom NASA aft
14、er his flight, and decided to try 5. _ (he) luck in politics. He won his firstgeneral 6. _ (elect) in 1974 and he was re-elected to the Senate (参议院) in 1980. He was7. _ a popular senator that he was re-elected several more times.In 1998, Glenn went into space again onboard the Space Shuttle Discover
15、y at the age of 77, 8._ (make) him the oldest man to go into space.Glenn retired from the Senate in 1999, and in 2012, he 9. _ (give) the Medal ofFreedom by President Barack Obama.Glenn died at a medical center after suffering 10. _ a serious medical condition onDecember 8th, 2016. He was 95 years o
16、ld at the time of his death.BTom was a 10-year-old boy. His father was a very busy businessman 1. _ could notspend time with his son. He generally came home after Tom slept and was off to the office beforeTom woke up in the morning.Poor Tom had a desire for his fathers attention. He was eager 2. _ (
17、go) outdoorswith his father and play with him in the garden just like his friends did.One day, Tom was 3. _ (surprise) to see his father at home in the evening. “Dad, it isa big surprise to see you at home,” Tom said and his eyes shone with 4. _ (happy). “Yes,my meeting 5. _ (cancel). So Im at home.
18、 But after a couple of hours, I have to take aflight,” his father replied.“When will you be back?” Tom asked. “Tomorrow afternoon,” his father replied. Tom was indeep thought for a while. Then he asked 6. _ (curious), “Dad, can you tell me how muchyou earn an hour?” “Tom, I dont know 7. _ you are as
19、king this question, but I can tellyou it will be around $25,” Toms father replied.At once, Tom ran to his room upstairs and came down with his piggy bank 8. _(contain) his savings. “Dad, I have $50 in my piggy bank. Can you spare two hours for me? I wantto have dinner 9. _ you tomorrow evening. Can
20、you please mark this on your schedule?”Toms father was speechless and nodded his head in 10. _ (tear).答案I.1. to give 2. to explain3. to find 4. to know5. workingII.1. would become 2. had wanted3. was about to go 4. was waiting5. wouldnt wasteIII.1. I cant promise anything, but Ill do what I can to h
21、elp you.2. I could come early, if necessary.3. May I ask why you want to become an astronaut?4. There must be something wrong with the engine.5. How dare you ask me such a question?IV.1. Could 2. should3. can 4. should5. mustnt 6. needntV.1. marking 2. to carry3. to use 4. to do5. to return 6. to stay7. to keepVI.A1. to orbit 2. which3. missions 4. selected5. his 6. election7. such 8. making9. was given 10. fromB1. who / that 2. to go3. surprised 4. happiness5. was canceled / has been canceled 6. curiously7. why 8. containing9. with 10. tears学科网（北京）股份有限公司
