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双基限时练(七) Unit 7 Lesson 4
Ⅰ.单词拼写
1．I have a __________ (可怕的) feeling that we're going to miss the plane.
答案 horrible
2．After a few days of fever, he began to __________ (康复)．
答案 recover
3．Saleha came home so thin and weak that her own children hardly __________ (辨认出) her.
答案 recognised
4．The ship __________ (下沉) to the bottom of the sea.
答案 sank
5．Dick found himself walking in the __________ (相反的) direction.
答案 opposite
6．One is easy to __________ (生存下来) if he gets used to the surroundings quickly.
答案 survive
7．The police are searching for the two prisoners who __________ (逃脱) yesterday.
答案 escaped
8．She was __________ (可怕的) of being killed in an air crash.
答案 terrified
9．There were __________ (尖叫) and cries throughout the city for days during the earthquake.
答案 screams
10．The fact puzzles Jack much why he has been ________ (不能的) to pass the driving test up to now.
答案 unable
Ⅱ.单句语法填空(不多于3个单词)
1．A school bus will come to pick ________ your children at 8 o'clock in the morning.
答案与解析 up 句意：校车会在早晨8点来接你的孩子们。pick up“取；接载”，符合题意。
2．In order not to ________ (recognize) by the police, the thief dressed up as an old man.
答案与解析 be recognized 句意：为了不被警察认出，这个贼装扮成了一位老人。
3．Philip, can you see something red ________ (float) in the distance on the water?
答案与解析 floating 现在分词作后置定语。
4．All ________ once she lost her temper, which made all the friends present surprised.
答案与解析 at 句意：她突然大发雷霆，这使得到场的全部伴侣都很惊异。all at once“突然；突然”，为固定搭配。
5．Public attention at the moment is focused ________ the problem of how to create opportunities for the laidoff workers.
答案与解析 on focus one's attention on ... “关注……；集中留意力于……”； pay attention to ... “留意……”。
6．It took Mary a long time to pick ________ a new dress at the store.
答案与解析 out pick out“挑出”。
7．He narrowly escaped ________ (hurt) in the accident though his car fell into the river.
答案与解析 being hurt 句意：尽管汽车坠到河里去了，但他侥幸没有受伤。escape后接v.ing形式作宾语，且he与hurt之间是被动关系。
8．Every time she started the car, the wheels sank deeply ________ the mud.
答案与解析 into 句意：每次她启动汽车，车轮就会深深陷入泥中。sink“陷入”，与into搭配。
Ⅲ.阅读理解
A
SeaWorld Orlando has a new attraction. It exhibits nearly 250 penguins (企鹅). During my visit to SeaWorld Orlando, I talked with a bird expert (专家), Anita.
TFK：
Why did SeaWorld want to make an exhibition about penguins?
ANITA：
We've had penguins since 1987. But we wanted to build a great new exhibition where the guests can see the penguins up close and hear them. In the old exhibition you were separated by glass, so you couldn't really hear them. So this is a whole new experience.
TFK：
How are the penguins cared for?
ANITA：
We go and mainly observe them with our eyes and our ears. If one is sleeping more than normally or seems squintyeyed (斜视眼), we might have a vet (兽医) check on them. We also feed them every day with restaurantquality fish. We feed them in the water so that they're feeding naturally.
TFK：
In their lifetime, what trouble does the penguin have?
ANITA：
In their lifetime, penguins face predators (食肉动物), which they don't have here at SeaWorld. There are large ocean birds that would feed on the eggs or the chicks of penguins, as well as whales and sea lions.
TFK：
The ice in Antarctica (南极洲) is rapidly melting. What effect does this have on penguins?
ANITA：
As the water warms up, the fish that normally live in that cold water don't survive, or they move on, but the penguins really want that cold. So as global warming heats up. They really have no place to go since that is the coldest place on the Earth.
TFK：
How is SeaWorld helping to increase awareness (意识)about climate change?
ANITA：
Just be aware of your environment around you. Especially in the ocean, any animal can eat the plastic in the environment. It makes them sick and some of them die from it because they can't digest (消化) it. So just getting up on the beach, just cleaning the environment up, and just paying attention to what's happening around you.
1. SeaWorld Orlando's new exhibition of penguins differ from the old one in ________.
A. the purpose B. the lasting time
C. the exhibiting method D. the number of visitors
答案与解析 C 从Anita对第一个问题的回答中可以看出，旧的企鹅展览是隔着玻璃的；而新的展览离游客更近且可以听到声音。C项正确。
2. Penguins in SeaWorld Orlando ________.
A. seldom get sick
B. are taken good care of
C. feed on fish from Antarctica
D. meet large ocean birds sometimes
答案与解析 B 从Anita对其次个问题的回答中可以看出，企鹅受到了很好的照看。B项正确。
3. As the ice melts, the penguins ________.
A. will follow their food source
B. will lose their homes and food
C. can find another cold place to live
D. can get used to the new environment
答案与解析 B 从Anita对第四个问题的回答中可以看出，冰雪溶化，它们会没地方去。B项正确。
B
One Sunday，Mark decided to go sailing in his boat with his friend Dan，but Dan happened to be away. Dan's brother John offered to go instead though he did not know anything about sailing. Mark agreed and they set out to sea.
Soon they found themselves in a thick fog. Mark was sure they would be hit by a big ship. Fortunately he saw a large buoy (浮标) through the fog and decided to tie the boat to it for safety. As he was getting onto the buoy, however, he dropped the wet rope. The boat moved away in the fog carrying John, who did not know how to use the radio. He drifted (漂流) about and was not seen until twelve hours later.
Mark spent the night on the buoy. In the early morning he fell asleep. He was having a bad dream when a shout woke him up. A ship, the Good Hope, came up and he climbed onto it and thanked the captain. The captain told him that John had been picked up by another ship and the ship's captain had sent out a message. “Without the message I would not have found you on the buoy，” he said.
4．Why didn't Mark and Dan go sailing together?
A. Dan asked his brother to go instead.
B. Dan was in some other place.
C. Mark was in some other place.
D. Mark would like to go with John.
答案与解析 B 由第一句“Dan happened to be away”推断Dan去了别的地方。
5．Mark tried to tie the boat to the buoy so that ________.
A. he could spend the night on it while John was looking for help
B. he and John could go sailing again when the fog cleared
C. it wouldn't be hit by other ships
D. he might be picked up by a passing ship
答案与解析 C 由其次段其次句看出，他想把小船拴到浮标上，是认为有可能被大船撞翻。
6．John and Mark became separated because ________.
A. there wasn't room for both John and Mark on the buoy
B. John couldn't control the boat and drifted away
C. Mark thought it safe to stay on the buoy but John didn't
D. John had to stay in the boat to radio for help
答案与解析 B 依据其次段后半部分可知，Mark在浮标上，而John随船漂流而去，结合第一段其次句话推断，是由于John不知道如何航海才导致这种结果。
7．What made it possible for Mark to be found on the buoy?
A. John told people where to look for him.
B. John radioed to the Good Hope to get him.
C. He shouted when he caught sight of the Good Hope.
D. The captain saw him as the fog cleared.
答案与解析 A 依据文章结尾可知，船长接到另一艘船的船长发来的信息，然后来救Mark。依据当时的情景推断，另一艘船的船长只能从John那里得知信息。
Ⅳ.语法填空
Andrew: Wow, so many students are crowding in — more than I expected. We're lucky to arrive an hour __1__ (early). Or else we would absolutely have problems __2__ (get) good seats.
Heather: I __3__ (learn) my lesson from the last experience. I didn't arrive early enough, so I ended up __4__ a terrible seat — all the way up in the front row! It was one of my worst movie __5__ (experience) ever.
Andrew: Yeah. I hate sitting in the front row.
Heather: By the way, it was __6__ (real) considerate of you __7__ (get) me the ticket. I really appreciate __8__. I'll buy some popcorn and a drink for us.
Andrew: That would be great!
Heather: Hold my place, __9__ I'll be back as soon as possible. Oh, I almost forgot. I'd better hold on to my ticket __10__ they won't let me in.
Andrew: OK.
答案 1.earlier 2.getting 3.learned 4.with 5.experiences
6．really 7.to get 8.it 9.and 10.in case
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