Welcome Unit Discovering Useful Structures&Listening and Talking——2021-2022学年高一英语人教版（2019）必修第一册同步课时作业
1.选词填空

1）._____ lightning lit everything up in a second.
2）._____ while listening to the lectures will help you better understand them.
3）. The naughty child _____ deep _____ on the teacher.
4）. Her dream to enter the famous university _____.
5）. You can do anything you want, but not everything _____.
6）. I wish everyone would stop troubling me and just _____ me _____.
7）. He was determined to forget about the sad past and _____ the present.
8）. Please tell your brother that I will _____ meeting him.
2.先进的科学技术已经让我们的梦想成真。
Advanced science and technology has _______.
3.没完没了的作业让我们讨厌学习。
Endless homework _______ of study.
4.我的父母已经答应给我买一台电脑。
My parents have promised _______.
5.所有的成员都已经通知了，要准时出席会议。
All the members _______ at the meeting on time.
6.当事故再次发生时，好多人才意识到情况变得严重了。
Only when a second accident _______, many people became aware _______.
7.
Lakeway Middle School Now
Has Its Own School Store!
The Lion's Den
    Stop by the Lion's Den before or after school or during lunch to check out the various goods available at our new school store. Here you can find school supplies, gym uniforms and gifts. Choir (合唱团) students manage the store and are ready to serve you. Money raised from sales will help purchase new music, costumes, and sound equipment for the choir.
    Everything you need for school is available at the Lion's Den. Come in today to see for yourself!

Used Book Donations
    Donations of used books are welcome and rewarded. Drop off your used book for donations in the store. For every five books donated, you can receive a Lions Reward Coin for 25 cents off your next purchase at the Lion's Den.
Save and Win
    Bring the following coupons (优惠券) when you visit the Lion's Den. You can save 20% off your first purchase, receive a free pen or pencil, and enter your name and grade in a drawing to win a T-shirt. Scan the QR code, and you can get more discount information.
 
1.The Lion's Den raises money to _____.
A. buy books B. help school choir
C. support the poor D. build a new school
2. If you donate five used books， you can get _____.
A.a Lions Reward Coin
B.20% off
C.more discount information
D.a free pencil or pen
3.Your personal information is needed to _____.
A. get the membership B. join the school choir
C. win a T-shirt D. scan the QR code
4.We can probably read this passage from _____.
A. a textbook B. a travel guide
C. a science magazine D. a school website
8.Are you having trouble concentrating when you're reading a book or listening to a lecture? This list of activities might help to improve your study habits.
Make a list. We often have trouble paying attention to one thing because our brain wants to think about something else. ①_______ You don't worry about whatever else you should be doing.
Sleep more. Studies show that people who sleep fewer than eight hours a night for a period of time have slower response systems and more difficulty recalling information. ②_______
Eat healthier foods. Many people enjoy foods high in fats and sugars. ③_______ They might give you a temporary burst of energy. However, that energy is soon followed by a crash.
Reduce screen time. This may be the most unpopular suggestion among young people. Screen time-time spent looking at cell phones, televisions and computer screens, has a clear effect on the attention span. ④_______
⑤_______ Concentration improves for students who participate in team sports. It could be that being active is helpful in this way. Participating in a sport trains your brain to concentrate on specific tasks, and shut out other thoughts.
A. Be active.
B. Practice more.
C. These foods can provide enough energy for focusing.
D. But these foods can't be helpful enough when it comes to focusing.
E. That is bad news for teens who stay up revising the night before a test.
F. Researchers advise parents to limit it when their children need to be focused.
G. By writing down all the things you need to do, you' ll gain a sense of control.
答案以及解析
1.答案：1).A flash of  2).Taking notes 3).made a; impression 4).came true 5).at the same time 6).leave; alone 7).concentrate on 8.look forward to
2.答案：made our dream come true
3.答案：made us tired
4.答案：to buy me a computer/a computer for me
5.答案：have been informed to be present
6.答案：happened/took place, how serious the situation was
7.答案：1-4 BACD
解析：1.细节理解题.根据 The Lion's Den 中的第一段最后一句 Money raised from sales will help purchase new music, costumes, and sound equipment for the choir. 可知,从销售中筹集的资金将帮助合唱团购买新的音乐、服装和音响设备,所以答案B正确.
2.细节理解题.根据 Used Book Donations 中的第一段第三句 For every five books donated, you can receive a Lions Reward Coin for 25 cents off your next purchase at the Lion's Den. 可知,每捐赠5本旧书,你就可以得到一个 Lions Reward Coin. 故选A.
3.细节理解题.根据 Save and Win 中的第二句 You can save 20% off your first purchase, receive a free pen or pencil, and enter your name and grade in a drawing to win a T-shirt. 可知,第一次购买的时候可以节约20%,得到一支免费的钢笔或铅笔,输入你个人的姓名和年级有机会得到一件T恤衫.故选C.
4.推理判断题.根据全文内容可知,本文主要讲述了学校为了帮助学校合唱团筹集资金的一系列活动,应该与学校有关,所以本文可能会出现在某学校网站上.故选D.
8.答案：①G;②E;③D;④F;⑤A
解析：①主题句 Make a list.对应选项 G 中“writing down all the things you need to do”,答案为 G.
②根据主题句Sleep more.以及空前句中sleep fewer than eight hours…可知,答案为E,其中,slay up为“熬夜”的意思:
③下文的“that energy is soon followed by a crash”与D 项中 的“can’t be helpful enough”相对应，故答案为 D.
④本段的主题句“Reduce screen lime.”与选项F中的“limit it”对应,故答案为F.
⑤本空为本段主题句,由下文的“It could he that being active is helpful in this way.”可知,答案为 A.干扰项 B 中 Practice 意为“to do something (often in order to improve your skills)” 指练习,而并不是指参加体育运动.