2018学年北师大版英语必修3课时作业：Unit 7 The Sea3 含解析

课时作业3Lesson 3The Sea World

Ⅰ.单词拼写

1．How much ________(折扣) will you give me for the coat if I buy it?

2．The opportunity to travel is one of the main ________(吸引人的地方)of this job.

3．Researchers in this field have made some important new ________(发现)．

4．Parents should ________(教育) their children to behave well.

5．Some fish can grow to a ________(长) of four feet.

6．If you warm ice it will ________(融化) into water.

7．We swam across the river ________(量起来) five thousand kilometres wide.

8．It's a ________(把戏) to take in customers.

9．The room is ________(舒适的) to live in.

10．The bad weather has a serious ________(影响) on the crops.

答案

1．discount 2.attractions 3.discoveries https://www.wendangku.net/doc/2f18857969.html,cate

5．length https://www.wendangku.net/doc/2f18857969.html,fortable

10．effect

Ⅱ.单句语法填空

1．Mr. Green is ________ (energy) though he is in his seventies.

解析：形容词作表语。energetic 精力充沛的。

答案：energetic

2．The river is two hundred metres in ________ (long)．

解析：in length 长。

答案：length

3．My brother is 1.80 metres in ________ (high)．

解析：in height 高。

答案：height

4．I live in a ________ (comfort) room.

解析：形容词作定语。comfortable 舒适的。

答案：comfortable

5．The Great Wall is a famous ________ (attract)．

解析：名词作表语。attraction 吸引人的事物。

答案：attraction

6．This river is twice ________ long as that one.

解析：倍数的表达法为：倍数＋as＋形容词原级＋as。

答案：as

7．Their wonderful ________ (perform) attracted the audience.

解析：名词作主语。performance 表演。

答案：performance

8．He bought a shirt ________ a discount.

解析：at a discount 打折。

答案：at

9．On the one hand, I want to change my job, but ________ the other hand, I have to rely on my present job to make a living.

解析：on the other hand 另一方面。

答案：on

10．Watch ________ for any possible danger while going through the forest.

解析：watch out for 当心……。

答案：out

Ⅲ.语法填空

The sea world is fantastic. You can see some of the most beautiful coral and the most __1__ (usual) fish in the world on the ocean floor. You can watch some fish __2__ (fly) through the water. They are less __3__ (colour) than some other fish but they move __4__ (beautiful). Some fish can produce sounds almost twice __5__ loud as your speaking voice. Some fish attract other fish with a light on their body and then eat them. You can see the tiniest fish in the world, __6__ is only one centimetre in __7__ (long). Dolphins are often popular __8__ children. If you want to see these sea animals, you'd better __9__ (book) a ticket in advance. You can get a discount before the 22nd, so the sooner, __10__！(good)

答案与解析

1．unusual unusual 不寻常的。

2．flying watch sb. doing sth. 观看某人在做某事。

3．colourful形容词作表语。

4．beautifully修饰实义动词用副词。

5．as倍数表达法为：倍数＋as＋形容词原级＋as。

6．which which 引导非限制性定语从句，在从句中作主语。

7．length in length 长。

8．with be popular with 很受……欢迎。

9．book You'd better 后跟动词原形。

10．the better the＋比较级，the＋比较级，“越……就

越……”。

Ⅰ.完形填空

I spent my childhood near the sea watching the ships, large and small, go in and out of the harbor. At the age of eighteen I __1__ home to take a job on a passenger __2__ that sailed between San Francisco and Yokohama. I was __3__ about my new adventure and a little afraid, too. For over a year, I __4__ the Pacific on the Rosa Lee. The brilliant blue waters were __5__ in the sunlight; under stormy skies the angry __6__ became dark, dangerous, and exciting. I __7__ the sea in all its glorious beauty—both when it was quiet and when it was violent. __8__，I knew it was the life for me.

The second year, during a trip from Melbourne to Honolulu, I had a very dangerous __9__. I have never forgotten it. We couldn't get __10__ the way in time and were hit by a violent __11__. The wind grew stronger and stronger—__12__ fifty miles an hour, and mountains of water __13__ the Rosa Lee over on its side. The ship rolled back only to be __14__ again by the next wave. All during the rain-filled night, we worked in a frantic __15__ to save the ship, but there was a breakdown in the engine room and the motors __16__. We knew that there was __17__ more we could do. At dawn the captain __18__ the order to abandon the ship. A few minutes later the Rosa Lee __19__ beneath the angry sea. All that could be __20__ were a few lifeboats here and there among the waves.

1．A.left B．went

C．landed D．forgot

2．A.bus B．ship

C．plane D．train

3．A.worried B．narrow C．excited D．sure

4．A.stuck B．imagined C．remarked D．sailed

5．A.shallow B．terrifying C．irregular D．beautiful

6．A.wind B．ship

C．waters D．cloud

7．A.hated B．loved C．improved D．greeted

8．A.In the end B．What's more C．That's to say D．From the beginning 9．A.dream B．practice C．imagination D．experience 10．A.in B．up

C．out of D．down

11．A.purpose B．storm

C．soul D．rock

12．A.up to B．far from

C．less than D．behind

13．A.pushed B．pulled

C．drew D．looked

14．A.protected B．attacked C．destroyed D．applied

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