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1、呼兰一中 阿城二中 宾县三中 尚志五中 四校联考20182019学年度下学期 期中考试 高二英语试题第I卷第一部分：阅读理解（共两节，满分 40分）第一节 （共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳答案，并在答题卡上将该项涂黑。AAre you a morning person? You might not like the findings in this new research.From a lack of air and drinking water to solar radiation, theoretical Mars pio
2、neers face any number of potential obstacles to settling on the red planet. Now, scientists have found something else to add to the list: seriously messed-up biological clocks.One day on Mars - which scientists refer to as the solar day, or “sol”- is 37 minutes longer than a day on Earth. A team of
3、European scientists recently demonstrated why that could be a problem.Circadian rhythms are the bodys natural cycles of rest and waking, which tend to follow roughly 24-hour light-dark cycles. These natural rhythms - which play a role in biological functions including brain wave activity and hormone
4、 production - can be interrupted by things like jet lag（时差）and night shift work.For the study, the researchers compared mice with healthy, 24-hour circadian clocks to mice with a genetic change that caused them to have shorter, 20-hour circadian clocks. The mice with healthy biological clocks were m
5、ore likely to survive and reproduce, while the mice with shorter biological clocks were more likely to die off.What does this all have to do with space travel? Since the Martian sol is longer than a day on Earth, people with shorter circadian clocks could suffer from health problems as they try to a
6、dapt to the rotational speed of the red planet.Unfortunately, the body is unlikely to adapt to the new conditions or “learn” to develop a longer clock. As Loudon explained, “Learning is not a likely option.”In other words: Sorry, super-early risers - NASA might not want you for the next Mars mission
7、.1. From the passage, people can face the following troubles living on Mars EXCEPT _.A. absence of air B. a lot of fierce creaturesC. lack of drinking water D. messed-up biological clocks12. According to scientists, how long does one day on Mars last?A. 24 hours. B. 23 hours and 23 minutes.C. 24 hou
8、rs and 37 minutes. D. 12 hours and 37 minutes.3. Life on Mars would seriously mess with your sleep because _.A. the Martian sol is longer than a day on EarthB. the bodys natural cycles can be shortenedC. hormone production will hurt biological functionsD. the brain wave activity will be interrupted
9、BKeeping secrets is a burden“Dont tell anyone”. We hear these words when someone tells a secret to us. But it can be hard to keep a secret. Were often tempted to “spill the beans(说漏嘴)”，even if we regret it later.According to Asim Shah, professor in the Menninger Department of Psychiatry and Behavior
10、al Sciences at Baylor College of Medicine, US, keeping a secret may well “become a burden”. This is because people often have an “obsessive and anxious urge to share it with someone”.An earlier study, led by Anita E. Kelly, a scientist at the University of Notre Dame, US, suggested that keeping a se
11、cret could cause stress. People entrusted(受委托的) with secrets can suffer from depression, anxiety, and body aches, reported the Daily Mail.But with secrets so often getting out, why do people share them at all? Shah explained that people often feel that it will help them keep a person as a friend. An
12、other reason people share secrets is guilt over keeping it from someone close to them. A sense of distrust can develop when people who are close do not share it with each other. “Keeping or sharing secrets often puts people in a position of either gaining or losing the trust of someone,” according t
13、o Shah.He added that talkative people could let secrets slip out (泄露).But this doesnt mean that it is a good idea only to share secrets with quiet people. A quiet person may be someone who keeps everything inside. To tell such a person a secret may cause them stress, and make them talk about the sec
14、ret. Shah said that to judge whether to tell someone a secret.Shah said that to judge whether to tell someone a secret, youd better put yourself in their position. Think about how you would feel to be told that you mustnt give the information away. Shah also recommended that if you accidentally give
15、 up someones secret you should come clean about it. Let the person know that their secret isnt so secret anymore.4What does underlined word “obsessive” mean?AUnwilling.BConfusing.CWanting to do something very much.DRefusing to accept facts.5What did researchers at the University of Notre Dame discov
16、er about secret-keeping?AIt can result in mental and physical problems.BIt can help promote friendships between people.CIt can harm relationships between friendsDIt can result in a sense of distrust between friends6What is the main message of Paragraph 5?AIts better to share your secrets with quiet people.BQuiet people suffer less stress
