2020-2021学年人教版英语选修7课后作业：UNIT 3WARMING UP .doc

1、阅读理解ATheres no end of dangerous sports to try out in Southern Africabungee jumping, skydiving and water rafting.But for a new rush，how about swimming face to face with a killer shark?The public seems interested in seeking excitement in this activity.Cape Towns aquarium has been filled with divers wh

2、o want to swim with the sharks since it opened its tanks to visitors last month.Around 70 tourists aged between 12 and 40 have paid 275 rand ($55) each to spend up to an hour with Maxine，Dee and Floyd.And conservationists (自然环境保护论者) say the project should help change the damage done to the sharks im

3、age by the popular movie Jaws.“People will always pay money to be a bit daring, ”said Paul Loetter，an aquarium diver.“Most people think every shark is dangerous, but theyve got the wrong idea.”Each visitor can swim with the sharks and other fish that share their tank, guarded by aquarium divers arme

4、d only with a stick to keep off any overfriendly sharks. “This is part of a communicational and educational programme to show sharks are not as bad as everyone makes out，” said Tony McGyre，operational manager of the aquarium.Len Compagno，head of the South African shark research centre, agreed.“Its n

5、o joke to play around with a big dog.In the same way, a threemetrelong shark could put a few holes in you，” he said.文章讲述了南非的一家水族馆可以让游客和鲨鱼一起游泳，科学家们进一步解释说鲨鱼并不像人们认为的那样都很危险。1We may infer that in the movie Jaws .Asharks are hunted everywhereBsharks kill other sea animals Csharks are disappearing in the s

6、eaDsharks are man eaters答案：D解析：推理判断题。根据文章第三段可推断鲨鱼在电影大白鲨中的形象是不好的，对比现在人们敢于跟它们面对面地游泳，可见在该影片中鲨鱼对人是有伤害的，故D项正确。2What Len Compagno said really means that .Ayou had better not get close to sharksByou neednt be too serious about sharksCsharks are more dangerous than big dogsDsharks are as friendly to people

7、as dogs答案：B解析：推理判断题。由最后两段可知伦恩与托尼观点一致，即：鲨鱼并非人们想象的那么坏，因此不必对鲨鱼太紧张。3The writers purpose in writing the passage is to tell us that .Asharks are not as bad as everyone makes outBpeople will always pay money to be a bit daringCtheres no end of dangerous sports in Southern AfricaDthe public seems interested

8、 in seeking excitement in swimming with a killer shark答案：A解析：写作意图题。文章讲述了人们可以在水族馆里和鲨鱼一起游泳，科学家们进一步解释说鲨鱼并不像人们认为的那样糟糕，这也正是作者的写作目的。4We can learn that Maxine，Dee and Floyd are .Aworkers in the aquariumBthe aquariums three sharksCconservationistsDdivers in the aquarium答案：B解析：推理判断题。第二段讲游客与鲨鱼一起游泳，且根据第二段最后一句“

9、Around 70 tourists.spend up to an hour with Maxine，Dee and Floyd.” 可知“Maxine”“Dee”“Floyd”是鲨鱼的名字。BThere are eight species of dolphins in Hawaii.The bottlenosed dolphin is the most common type of dolphin.This name came from its longer upper and lower jaws.This dolphin is a very loving and friendly ani

10、mal.There are cases of dolphins that rescue injured divers in the ocean.In Hawaii, you can experience swimming with dolphins.There are several companies on Oahu and the Big Island that offer a swim with these animals in the wild.These kinds of tours usually are combined with water sports such as sno

11、rkel or scuba diving.Dolphins are protected by the Marine Mammal Protection Act and it is against the law to become closer than 50 yards (45 m) to them.But these friendly animals can approach to check you out.You have to consider that if dolphins prefer to keep away, you should not try to swim close

12、 to them.If dolphins come close while you are swimming in the ocean, dont attempt to touch them and dont make aggressive or sudden movements.At the Sea Life Park on Oahu, they have special dolphin programs that allow you to swim and hug dolphins; besides, youll learn about these mammals habits.The D

13、olphin Quest program will explain to you why dolphins are considered one of the most intelligent creatures.Swimming with dolphins is one of the most attractive activities if you come to Hawaii.But Hawaiis underwater world is amazing and has many other species to watch：humpback whales，green sea turtl

14、es，monk seals and so on.While you get in touch with this underwater world, always have in mind the main rule of the ocean respect：Look but dont touch.本文讲述了在夏威夷，游客可以与海豚一起畅游，同时也可以接触到一些其他海洋动物。5Whats the main idea of Paragraph 1?ADolphins in Hawaii have longbottle noses.BDolphins in Hawaii love friends.

15、CDolphins in Hawaii always save the divers.DDolphins in Hawaii are explained in brief.答案：D解析：段落大意题。第一段简单地介绍了夏威夷海域里海豚的情况。6According to the Marine Mammal Protection Act, when you swim in the ocean you .Ahave to follow the dolphinsBmust stay close to the dolphinsCshould keep a distance from the dolphin

16、sDcant move with the dolphins答案：C解析：细节理解题。由第三段第一句Dolphins are protected by the Marine Mammal Protection Act and it is against the law to become closer than 50 yards (45 m) to them.可知，人们要与海豚保持一定的距离，否则就触犯了法律。7If you want to know something about dolphins life, you can .Atravel to the Big Island now and

17、 thenBobey the Marine Mammal Protection ActCturn to the dolphin programs at the Sea Life ParkDlive with the dolphins for a long time on Oahu答案：C解析：细节理解题。由第四段可知，从海洋生物公园的一些节目中可以了解海豚的生活习性。8When travelling around Hawaiis underwater world, you can do all of the following EXCEPT .Aswim with dolphinsBhave a hug with dolphinsCwatch other animals besides dolphinsDtouch every animal答案：D解析：推理判断题。由文章最后一句可知，在夏威夷海底世界不能随意触摸动物。