外研版（2019）必修 第二册Unit 3 On the move Starting out&Understanding ideas课时作业（含答案）

Unit 3 Starting out&Understanding ideas
一、单词拼写
1.On beaches, keep your camera safe from sand by enveloping it inside a _____(塑料制的) bag.
2.The female hormones help the body _____(防卫) itself against some kinds of infections.
3.They may _____(监视) all email communication to protect their business.
4.These athletes are _____(能手) in their sports and also set a good example to the young in China.
5.Please close the _____(上面的) window. There is going to be a heavy rain.
二、用单词的正确形式填空
be shaped like, break down, break out, bring together, end with, go back to, put down, take…for example
1. As a form of entertainment, it ___________ the Tang Dynasty.
2. Facing the powerful PLA, the enemy soldiers ___________ their guns and put up their hands.
3. On the way to the natural reserve, our car ___________ halfway.
4. The actress was wearing a fancy hat, which ___________ a fox.
5. When the firefighter arrived, a big fire ___________, and the whole house had fallen into ruins.
6. We ___________ researchers from three different universities to work on the project.
7. The TV play ___________ the divorce of the couple though they once loved each other very much.
8. Bald guy Qiang ___________ to refer to a person who always fails to do anything.
三、七选五
Running is becoming popular these days. Many people run to keep fit. ①_____ However, if you're doing it wrong, you won't get such good results. Fortunately, here are some tips to help you.
Set right goals
②_____ Be smart and set the right goals. Sign up for a fun run or a 5K first, before even thinking about a marathon. Your goal should be simple to finish. If you push yourself too much, it is possible that you will get hurt and won't want to insist on running.
Wear suitable shoes
Once you've decided to try out running, it's time to get yourself new shoes, as the wrong pair can cause foot pain. Wearing the wrong shoes can destroy your workout plan. ③_____
Eat properly before or after a run
Some of you don't eat before or after a workout. Your body needs energy to exercise, ④_____ So it's important to give your body energy. Experts suggest that you eat foods before and after a workout to help with your body's fat burning process.
Run out of the city
If you live in a busy city, running along city streets is the easiest way to get in the miles, but if it's possible, find a less polluted space for your long runs. ⑤_____ Exposure to air pollution can cause damage to brain health and the lungs, so running in a cleaner environment might be worth the extra time.
A. Fresh air cleans our lungs.
B. It is a good, inexpensive way to get into shape.
C. Ifs exciting to start running, but don't set your goals too high.
D. Another side effect of skipping meals is to make you feel tired.
E. And not eating properly will affect your mental and physical well-being.
F. Therefore, before running, you should go to the shoe store to buy a new pair of running shoes.
G. Research shows that running in polluted air doesn't give you the same benefits as running in clean air.
四、 语法填空
Nowadays, football is one of the most popular sports in the world. Its history goes back over two thousand years ①_____ Ancient China, and then it was known ②_____ cuju, a game ③_____(use) a ball of animal skins with hair in it. Most people know that it started in Great Britain, ④_____ the game was given new rules.
There are three reasons why football is popular all over the world! First, football is such a simple game to play, which is perhaps the basis of ⑤_____(it) popularity. It is also very cheap to play. People need not buy expensive ⑥_____(equip), and the football costs only a little. People can see children playing to their ⑦_____(heart) content with a ball everywhere. Besides, people enjoy the creativity and excitement on the field. It attracts ⑧_____(million) of people. What's more, football has become one of the best ways ⑨_____(communicate). It doesn't need words, ⑩_____ everyone can understand it. It breaks down walls and brings people together on and off the field.
答案以及解析
一、
1.答案：plastic
解析：句意: 在沙滩上时, 将你的相机用塑料袋包裹起来以防止进沙子。
2.答案：defend
解析：句意: 雌性激素有助于身体抵御一些种类的感染。
3.答案：monitor
解析：句意: 他们可能监视所有电子邮件通讯来保护他们的业务。
4.答案：masters
解析：句意: 这些运动员在他们从事的运动中是能手, 也给中国青年树立了很好的榜样。
5.答案：upper
解析：句意: 请关上上面的窗户, 将要有一场大雨。
二、
答案：1. goes back to
2. put down
3. broke down
4. was shaped like
5. had broken out
6. brought together
7. ends with
8. is taken for example
三、答案：①-⑤ BCFEG
解析：①根据前文内容Many people run to keep fit.可知，本空应说明跑步的好处，故B项（这是一种既好又便宜的保持身体健康的方法。）符合文意。
②根据段落主题句Set right goals可知，本段主要介绍要设定正确的目标。C项（开始跑步是令人兴奋的,但是不要把你的目标定得太高。）符合段意。goals为复现词。
③根据段落主题句Wear suitable shoes可知，本段主要介绍要穿合适的鞋子。故F项（因此在跑步之前，你应该去鞋店买一双新的跑鞋。）符合段意。shoes为复现词。
④根据段落主题句Eat properly before or after a run可知，本段介绍跑步前或跑步后要合理饮食。故E项（不合理的饮食会影响你的精神和身体健康。）符合段意。
⑤根据前文内容if it's possible, find a less polluted space for your long runs可知，如果可能的话，找一个污染少的地方进行长跑。故本句应是对长跑时空气质量的好坏进行对比。G项（研究表明，在被污染的空气中跑步不会给你在无污染的空气中跑步时相同的好处。）符合文意。
四、答案：①to ②as ③using ④where ⑤its ⑥equipment ⑦hearts' ⑧millions ⑨to communicate ⑩but
解析：①考查介词。句意: 它的历史追溯到两千多年前的古代中国。go back to追溯到, 故填to。
②考查介词。be known as被认为是。
③考查动词-ing形式。分析句子结构可知, 空前已有谓语动词, 且没有连词, 所以此处为非谓语动词。根据句子的逻辑关系可知, 设空处作伴随状语, 句子主语和use是逻辑上的主谓关系, 故填using。
④考查关系副词。Great Britain为定语从句的先行词, 关系词在从句中作地点状语, 故填where。
⑤考查物主代词。空后是名词, 需用形容词性物主代词修饰, 故填its。
⑥考查名词构词法。空前是形容词, 所以设空处应是名词, 故填equipment。
⑦考查名词复数及所有格。空前为their, 所以heart要用复数, 同时与后面的名词content是所属关系, 故填hearts'。
⑧考查数词。millions of数以百万计的, 故填millions。
⑨考查动词不定式。设空处应作定语, 修饰ways, 所以要用不定式, 故填to communicate。
⑩考查连词。前后为转折关系, 故填but。
2