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课时作业20
Ⅰ.阅读理解
(2016·四川高考)
A warm drink of milk before bed has long been the best choice for those wanting a good night's sleep. But now a study has found it really does help people nod off—if it is milked from a cow at night.
Researchers have discovered that “night milk” contains more melatonin (褪黑激素), which has been proven to help people feel sleepy and reduce anxiety.
The study, by researchers from Seoul, South Korea, involved mice being fed with dried milk powder made from cows milked both during the day and at night.
Those given night milk, which contained 10 times the amount of melatonin, were less active and less anxious than those fed with the milk collected during daytime, according to the study published in The Journal of Medicinal Food.
Night milk quickened the start of sleep and caused the mice to sleep longer.
While the effect of cows milk harvested at different time has not been tested on humans up to now, taking melatonin drugs has been suggested to those who are struggling to fall asleep at night.
Previous studies have also indicated that milk can be excellent for helping sleep because of the calcium content, which helps people to relax.
Milk is also sugarfree and additivefree with nutritionists recommending skimmed milk as the best choice before bed as it is the least fattening. The more fat you take in before bedtime, the greater burden you will put on your body at night.
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1．According to the text, the mice fed with daytime milk ________.
A．started sleep more easily
B．were more anxious
C．were less active
D．woke up later
2．Which of the following is true of melatonin according to the text?
A．It's been tested on mice for ten times.
B．It can make people more energetic.
C．It exists in milk in great amount.
D．It's used in sleeping drugs.
3．What can be a suitable title for the text?
A．Night Milk and Sleep
B．Fat, Sugar and Health
C．An Experiment on Mice
D．Milk Drinking and Health
4．How does the author support the theme of the text?
A．By giving examples.
B．By stating arguments.
C．By explaining statistical data.
D．By providing research results.
答案与解析
本文是一篇科普说明文。晚上睡前喝一杯热牛奶有助于睡眠是一个常识，那么睡前喝在夜间收集的牛奶对睡眠有哪些影响呢？让我们一起来看看研究者的新发现吧。
1．
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B 推理判断题。根据第四段可推知，喝了白天挤出来的牛奶的老鼠更活跃、更焦虑。故选B。
2．D 推理判断题。根据关键句“taking melatonin...at night.”可推知，安眠类药品里含有褪黑激素。故选D。
3．A 标题概括题。本文主要介绍了喝晚上挤出来的牛奶对睡眠的好处，因为晚上挤出来的牛奶中含有更多的褪黑激素，所以喝晚上挤出来的牛奶有助于睡眠，还能减轻身体负担。故A项“晚上挤出来的牛奶和睡眠”最能概括文章主旨，适合做标题。故选A。
4．D 写作手法题。本文先用睡前喝牛奶有助睡眠这一传统观点引出主题，即睡前喝晚上挤出来的牛奶不仅有助睡眠，还能减轻身体负担，然后引用了具体的研究结果来进一步论证主题，阐释观点。故选D。
Ⅱ.七选五
(2017·广东实验中学月考)
Things You Should Stop Doing to Be Successful
Are you a happy person? How often do you think of reasons why everyone around you is successful though they are not better than you in general? What do you do wrong? Here are some things you should stop doing to be successful.
1．__1__
Different people may interpret “success” in different ways: some of them measure it in money, other ones—in positive changes to people around them and the world in general. __2__ Don't worry about what other people think but come after what makes you happy.
2．Do not believe anything without questioning it.
__3__ They are critical thinkers, and they understand that we all are ruled by our prejudices, so they will always question new information.
3．Do not worry about all unpredictable things that may happen
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to you.
If you want to be successful, stop thinking about everything that MAY happen to you. __4__ Be ready to improve and change your deeds and decisions when things suddenly don't go according to your plan.
4．Do not care about what other people think of you.
__5__ Your attempts to become “good” for everyone will turn into nothing but new worries, stresses, and problems. Successful people do not concentrate on the quantity of people to please, but worry about their quality and focus on developing friendships with people they really care about.
A．Do not let others decide what “success” is for you.
B．Do not wait for the “right time” to do anything.
C．As far as we all know, it's impossible to please all the people who surround us.
D．Successful people do not just accept any new information to be true.
E．Successful people never ignore or avoid problem, no matter how big and awful they seem.
F．Try to feel comfortable with the reality and accept the fact your future can't be predicted.
G．If you want to be successful, do not let others force their interpretation of success on you.
答案与解析
文章介绍一些如果你想成功就不要做的事情。
1．A 根据下文“Different people may interpret ‘success’ in different ways：”不同的人对“成功”有不同的理解。说明这段主要介绍不要让别人决定你的成功是什么。故选A。
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2．G 根据下文“Don't worry about what other people think but come after what makes you happy.”不要担心其他人怎么想的，而是追求让你快乐的事情，说明上文是：如果你想成功，不要让别人将成功的解释强加于你。故选G。
3．D 根据下文“They are critical thinkers，”他们是批判性的思考者，说明上文是：成功的人不会仅仅接受任何新的信息是真实的。故选D。
4．F 根据上文“If you want to be successful, stop thinking about everything that may happen to you.”如果你想要成功，不要认为一切都有可能发生。可知这里是：接受未来是不可预测的这个事实。故选F。
5．C 根据下文“Your attempts to become ‘good’ for everyone will turn into nothing but new worries, stresses, and problems.”让任何人都认为你好的尝试最后会变成担心、压抑和问题。可知，这里是：不可能取悦任何人。故选C。
Ⅲ.语法填空
(2017·湖南省浏阳市第一中学月考)
Theme Parks
Parks provide people __1__ a place to amuse __2__ for a while. In recent decades，__3__， many parks have been designed to provide __4__ (entertain). We call them theme parks. Then new parks are usually huge places and have a __5__ of things to see and do. Theme Parks have a certain theme—that the whole parks are based __6__. The __7__ (old) theme park in the world is Disneyland. It seemed like a magical world which can make your dream come true. But if you are interested in traditional culture and history, go to Dollywood, __8__ you can have fun
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__9__ (learn) all about America's historical southeastern culture, then you can go to Camelot Park, __10__ world of fantasy about ancient England.
答案与解析
本文介绍主题公园。
1．with 固定词组。provide sb. with sth.提供某人某物。公园给人们提供了一个娱乐的地方。故填with。
2．themselves 反身代词作为amuse的宾语，指娱乐他们自己。
3．however 句意：然而，最近几十年，很多公园被设计提供娱乐。前后表示转折，因为有逗号，故填however。
4．entertainment 动词provide后面要接名词entertainment作为宾语。
5．lot 固定词组a lot of许多，故填lot。
6．on 固定词组be based on... 以……为基础。故填on。
7．oldest 句意：世界上最古老的公园就是迪斯尼乐园。故填oldest。
8．where 本句是一个定语从句，定语从句里的句子结构很完整，故使用关系副词where。
9．learning have fun (in) doing sth.为固定短语，意为“做某事很高兴”，所以使用现在分词的形式。
10．a 本短语是对Camelot Park进行的补充说明，这是一个关于古代英国公园的幻想世界。故填a。
Ⅳ.短文改错
(2017·成都外国语学校月考)
Today we were organized for a short trip to the West Hill. We set
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out by the school bus at 7：30 a．m.. The weather was pleasure and every one of us was excited. After two hour's ride, we arrived there at nine thirty. We began our programs the moment as we got off from the bus. We played games on the hillside and swimming in the river. After that we had our picnic lunch. In the afternoon we walked along the river, that winds around the hills.We took a lot of photo and enjoyed ourselves very much. Time past quickly and we had to come back.It was over five o'clock that we returned school. What a good trip we had today! I'll never forget it.
答案
Today we were organized for a short trip to the West Hill. We set out the school bus at 7：30 a．m.. The weather was and every one of us was excited. After two ride, we arrived there at nine thirty. We began our programs the moment as we got off the bus. We played games on the hillside and in the river. After that we had our picnic lunch. In the afternoon we walked along the river, winds around the hills. We took a lot of and enjoyed ourselves very much. Time quickly and we had to come back.It was over five o'clock we returned school. What a good trip we had today! I'll never forget it.
Ⅴ.书面表达
(2017·哈尔滨师范附属中学月考)
假如你是李华， 上周在外教Mr. Jackson 的口语课上使用手机被老师发现， 手机被收走。请给外教写一封道歉信，
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内容应包括以下要点：
1. 表示歉意；
2．解释上课使用手机的原因；
3．提出自己的请求并适当表态。
注意：1.可适当添加细节使文章连贯；
2．字数100左右；
3．信的开头和结尾已给出，不计入总词数。
Dear Mr. Jackson，
________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Yours sincerely，
Li Hua
答案
Dear_Mr._Jackson,_____
I'm really sorry about my using the mobile phone in your lecture last week. Please accept my heartfelt apology for being so rude a student.
I know any word might sound a madeup excuse. But I didn't use the mobile phone for no reason. I was trying to apply to some American universities last week and that day, I got an offer and they needed my further information immediately. Therefore, I had no other choice but to try sending them a text message in class and that was exactly what I was doing when you discovered. I promise it will never happen again. But I do need my phone back to get in touch with others. Will you be kind enough to give it back to me?
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I sincerely hope you can accept my apology and understand my situation.
Yours，
Li_Hua
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