《河北省衡水市2018届高三英语专项练习专题八七选五说明类专练》由会员分享，可在线阅读，更多相关《河北省衡水市2018届高三英语专项练习专题八七选五说明类专练（7页珍藏版）》请在金锄头文库上搜索。
1、全国各地接二连三地发生了多起特大安全事故，造成严重的人员伤亡，特别是北京密云、吉林商厦等特大安全事故，引起了党中央和国务院的高度关注专题八七选五说明类专练考试范围：xxx；考试时间：100分钟；命题人：xxx学校：_姓名：_班级：_考号：_ 题号一二总分得分注意事项：1、答题前填写好自己的姓名、班级、考号等信息 2、请将答案正确填写在答题卡上 第1卷 评卷人得分一、七选五1、根据短文内容,从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Every animal sleeps,but the reason for this has remained foggy.When
2、lab rats are not allowed to sleep,they die within amonth.One idea is that sleep helps us strengthen new memories. We know that,while awake,fresh memories are recorded by reinforeing (加强) connections between brain cells,but the memory processes that take place while we sleep have been unclear.Support
3、 is growing for a theory that sleep evolved so that connections between neurons (神经元) in the brain can be weakened overnight,making room for fresh memories to from the next day. Now we have the most direct evidence yet that he is right. The synapses in the mice taken at the end of a period of sleep
4、were 18 percent smaller than those taken before sleep,showing that the connections between neurons weaken while sleeping.If Tononis theory is right,it would explain why,when we miss a nights,we find it harder the nextday to concentrate and learn new information-our brains may have smaller room for n
5、ew experences.Their research also suggests how we may build lasting memories over time even though the synapscs become thinner.The team discovered that some synapses seem to be protected and stayed the same size. You keep what matters,”Tononi says.A. We should also try to sleep well the night before
6、.B. Its as if the brain is preserving its most important memories.C. Similarly, when people go for a few days without sleeping, they get sick.D. The processes take place to stop our brains becoming loaded with memories.E. Thats why students do better in tests if they get a chance to sleep after lear
7、ning.F. “Sleep is the price we pay for learning,” says Giulio Tononi, who developed the idea.G. Tononis team measured the size of these connections, or synapses, in the brains of 12 mice. 2、How to Do Man-on-the-Street Interviews The man-on-the-street interview is an interview in which a reporter hit
8、s the streets with a cameraman to interview people on the sport. But with these tips, your first man-on-the-street interview experience can be easy. When your boss or professor sends you out to do man-on-the-street interviews for a story, think about the topic and develop a list of about ten general
9、 questions relating to it. For example, if your topic is about environmental problems in America, you might ask, “Why do you think environmental protection is important in America?” Hit the streets with confidence.Say, “Excuse me, I work for XYZ News, and I was wondering if you could share your opin
10、ion about this topic.” This is a quick way to get people to warm up to you.Move on to the next person if someone tells you she is not interesteDont get discouraged. Each interview that you get on the street shouldnt be longer than ten minutes. As soon as you get the answer you need, move on to the n
11、ext person. Make sure that as you go from interview to interview, you are getting a variety of answers. If everyone is giving you the same answer, you wont be able to use it. A safe number of interviews to conduct is about six to ten. If your news station or school requires interviewees to sign rele
12、ase forms to appear on the air, dont leave work without them.A.Limit your time.B.As you approach people, be polite.C.If you dont own a camera, you can buy one.D.For new reporters, this can seem like a challenging task.E.To get good and useful results, ask them the same question.F.That number of inte
13、rviews should give you all the answers you need.G.With a question like this, you will get more than a “Yes” or “No” reply. 3、根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 Lots of people find it hard to get up in the morning ,and put the blame on the alarm clock. In fact, the key to easy morning wake-up
14、lies in resting your body clock.Here is how to make one. In order to make a change, you need to decide why its important. Do you want to get up in time to have breakfast with your family, get in some exercise, or just be better prepared for your day? Once you are clear about your reason, tell your f
15、amily or roommates about the change you want to make. Rethink mornings. Now that you know why you want to wake up, consider re-arranging your morning activities. If you want time to have breakfast with your family, save some time the night before by setting out clothes, shoes, and bags.Thats a quarter-hour more you could be sleeping if you bought a coffee maker with a timer. Keep your sleep/wake schedule on weekends. If youre tired out by Friday night, sleepin
