外研版（2019）选择性必修 第二册Unit 2 Improving yourself Starting out&Understanding ideas课时作业（含答案）

Unit 2 Starting out&Understanding ideas
一、单词拼写
1.You must ensure their _____(安全) when you take the children to the park.
2.I have not met him yet but I have read his _____(概况) on the Internet.
3.You're supposed to keep your _____(毛巾) clean every day.
4.The lights s_____ off automatically when you leave the room.
5.Across the world, 1.1 billion people have no a_____ to clean drinking water.
二、用方框内短语的适当形式填空
make full use of; lose one's temper; miss out; switch on; on reflection; be occupied with; instead of; up to; rely on; throw in the towel
1. What are you _____ this weekend
2. We will be repeating the questions later, so you won't _____.
3. You should _____ every minute to improve yourself.
4. We shouldn't always _____ the Internet to communicate with others.
5. Faced with difficulties, you can't _____.
6. _____ blaming each other, we should communicate more.
7. Don't _____ when others have different opinions with you.
8. I hear that song whenever I __________ the radio.
9. I have _____ work, so I haven't had time for social activities.
10. _____, he admitted that he had made a mistake.
三、七选五
When it comes to helping students learn and mature, there are several ways to increase their well-being. Although your children may be succeeding in the classroom, there are a few things that you still can do.
Encouraging physical activity is the first thing you can do. More and more children do not participate in sports after school. It's important for you to encourage mobility with sports that are played after class. You should find sporting equipment, basketball courts and play areas where kids can increase their well-being. ①_______
Secondly, you can provide proper nutrition for your children. It's important for your children to receive proper nutrition both inside and outside of the home. ②_______ You'd better make it a point to provide enough nutrition for their proper development and growth.
③_______ Many parents fail to stop children from using smartphones and computers. There are some institutions that even encourage too much screen time as a way to teach children or keep them entertained. You should help the children remain excited without sitting in front of a screen throughout the day.
Last but not least, monitoring bullying (欺凌) is also an essential part. Bullying continues to remain a common problem in some schools, making it important that the environment that your children grow in holds a high standard. ④_______
It's important to examine the school life as a whole to determine what factors are missing. ⑤_______ You may determine how well they adjust to the world around them and succeed in life.
A. You should provide kids with fresh food.
B. Besides, you'd better limit their screen time.
C. It will encourage children to focus on their study.
D. In addition, try your best to give them more freedom.
E. This will reduce the risk of health problems that include obesity.
F. You can advise teachers to keep a practice of looking for bullying.
G. Parents play a significant role in children's growth and well-being.
四、语法填空
Social Media Detox
Today marks the last day of the Social Media Detox, ①_____ is a fundraising campaign for new sports ②_____ (equip). At first, over 100 students ③_____ (persuade) to stop using social media, in ANY form, for seven days. Now, with the detox ④_____ (finish), they've switched on their devices and they are back online. In the campaign, some students, who found the detox was difficult to tolerate ⑤_____ (throw) in the towel halfway, while others managed the whole week. ⑥_____ (face) with the challenge, they found new ways to communicate with each other. They believe even if social media aren't ⑦_____ (access) , they still can enjoy a colourful life.
In my opinion, ⑧_____ has been raised through the detox is not only money, but also the ⑨_____ (aware) of how much we rely on social media. Now it's time for us ⑩_____ (step) away from it and live a more meaningful life.
答案以及解析
一、
1.答案：security
2.答案：profile
3.答案：towel
4.答案：switch
5.答案：access
二、
答案：1. up to; 2. miss out; 3. make full use of; 4. rely on; 5. throw in the towel;
6. Instead of; 7. lose your temper; 8. switch on; 9. been occupied with; 10. On reflection
三、答案：EABFG
解析：在孩子的成长过程中,父母起着非常重要的作用。如何帮助孩子们成长呢 本文介绍了几条建议。
①根据本段第一句Encouraging physical activity is the first thing you can do.可知,本段主题是鼓励孩子们参加体育活动,这会改善孩子的身体状况。故E项(这会降低包括肥胖在内的健康问题的风险)符合语境。
②根据本段首句中的provide proper nutrition可知,本段与饮食有关。A项中的fresh food与之呼应,符合语境。
③根据本段中的stop children from using smartphones and computers可知,本段建议限制孩子们看手机或电脑的时间。故B项符合语境。
④根据本段首句中的monitoring bullying is also an essential part可知,本段主题是防治校园欺凌。F项中的looking for bullying与之呼应。
⑤根据设空处后的You may determine how well they adjust to the world around them and succeed in life.可知,此处重申家长在孩子的成长过程中起着非常重要的作用。G项中的play a significant role与之呼应。
四、答案：①which ②equipment ③ had been persuaded④ finished⑤threw ⑥Faced ⑦accessible ⑧what ⑨awareness ⑩to step
解析：①考查非限制性定语从句。分析句子结构可知，先行词the Social Media Detox后是一个非限制性定语从句，且缺少主语，故填关系代词which。
②考查词性转换。句意:……这是一个为新运动装备筹款的运动。分析句子结构可知，设空处应填名词 equipment，意为“设备，装置”。
③考查动词的时态和语态。分析句子结构可知，此处应用过去完成时，且结合句意,应用被动语态，故had been persuaded。
④考查with的复合结构。句意:现在随着脱瘾活动的结束，他们打开了自己的（电子）设备，又重新上线了。detox与finish之间为被动关系，应用过去分词作宾补表被动，故填 finished。
⑤考查动词的时态。句意:在这项活动中，一些发现很难忍受这个脱瘾过程的学生中途放弃了……。分析句子结构可知，设空处应为主句的谓语动词，结合从句的谓语动词 found可知，此处应为一般过去时，故填threw。
⑥考查非谓语动词。分析句子结构可知,设空处应用过去分词作状语，be faced with意为“面对着……”，故填Faced。
⑦考查词性转换。分析句子结构可知，设空处应用形容词作表语，故填accessible。
⑧考查名词性从句。句意:在我看来，在这个脱瘾活动中所筹集到的不仅仅是金钱，而且让我们意识到我们对社交媒体是多么依赖。分析句子结构可知，⑧ has been raised through the detox是一个主语从句，且缺少主语，故填连接代词 what。
⑨考查词性转换。分析句子结构可知，设空处应填名词awareness,意为“意识”。
⑩考查非谓语动词。It's time for sb. to do sth.意为“某人是时候做某事了”，故填to step。
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