[职业资格类试卷]2017年重庆市沙坪坝区教师公开招聘考试(小学英语)真题试卷(无答案).doc
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1、2017 年重庆市沙坪坝区教师公开招聘考试(小学英语)真题试卷(无答案)Reading Comprehension0 Ive often wondered how exactly sleep, or lack of it, can have such an awful effect on our bodies and, guess what, how much we sleep switches good genes on and bad genes off.In the first half of 2013, the Sleep Research Centre at the Universi
2、ty of Surrey found a direct link between hours spent sleeping and genes. Every cell in our bodies carries genetic instructions in our DNA that act as a kind of operating handbook. However, each cell only “reads“ the part of this handbook it needs at any given moment.Can sleep affect how a gene reads
3、 instructions? Its a question asked by Professor Derk-Jan Dijk at the University of Surrey. He set up an experiment and asked his volunteers to spend a week sleeping around seven and a half hours to eight hours a night and the next sleeping six and a half to seven hours.Blood samples were taken each
4、 week to compare which genes in blood cells were being used during the long and short nights. The results were rather surprising. Several hundred genes changed in the amount they were being used, including some that are linked to heart disease, cancer, and Type 2 diabetes. Genes to do with cell repa
5、ir and replacement were used much less.Sleep restriction (six and a half to seven hours a night) changed 380 genes. Of these, 220 genes were down regulated (their power was reduced), while 160 were up regulated (their power was increased). Those affected included body-clock genes which are linked to
6、 diabetes. One of the most downgraded genes is that which has a role in controlling insulin and is linked to diabetes and insomnia. The most upgraded gene is linked to heart disease.So changing sleep by tiny amounts can upgrade or downgrade genes that can influence our health and the diseases we suf
7、fer from when we sleep too little.The important message is that getting close to eight hours of sleep a night can make a dramatic difference to our health in just a few days through the way it looks after our genes.1 What kind of relation is directly discussed in the passage?(A)Sleeping hours and ch
8、anges of genes.(B) Sleeping hours and diseases.(C) Changes of genes and diseases.(D)Genes and health.2 What can we learn about Professor Derk-Jan Dijk s experiment?(A)The experiment was carried out to find the answer to how genes affect sleep.(B) The experiment took a period of more than two weeks t
9、o reach a conclusion.(C) His volunteers were divided into two groups with two different sleeping patterns.(D)Blood samples of the volunteers were checked afterwards to decide how many genes changed in sleeping.3 Which of the following may be concluded from the passage?(A)The experiment was performed
10、 at the University of Surrey in early 2013.(B) Body-clock genes are associated with heart disease, cancer and Type 2 diabetes.(C) Sleep restrictions may contribute to disease like diabetes, insomnia, and heart disease.(D)7.5-8 hours sleep pattern makes little difference compared with 6.5-7 hours sle
11、ep pattern.4 Which of the following can be inferred from the findings of the sleep research?(A)When there is a sleep restriction, genes to do with cell repair and replacement function less.(B) In a sleep, several hundred genes change in the amount. The more changes, the worse results.(C) When genes
12、are up regulated, they do good to health; when genes are down regulated, they do harm to health.(D)Eight hours of sleep a day can be beneficial to our health in that it looks after our genes.4 In New York, Ma Yun witnessed the Alibaba Group opening on the New York stock exchange with the largest ini
13、tial public offering (IPO, 新股发行) in American history. “Alibaba, the worlds largest Internet commerce company makes China equal to the US in the rapidly increasing global competition for technological innovation and economic transformation“ commented the South China Morning Post.It has also made Ma C
14、hinas richest man with a fortune of around $25 billion (153 billion yuan), reported Reuters.Its reported that Mas rags-to-riches journey is just as spectacular as his Internet Empire. Ma failed the national college entrance exams twice before he was finally in Hangzhou Normal University on his third
15、 attempt and failed in finding a suitable job several times. Also, Mr. Ma is a big believer in perseverance, which was proved in his English study experience.However, it was his vision and goals that launched his career.During a short trip to the US as an interpreter in 1995, Ma first experienced th
16、e Internet. He believed in the Internet s business potential when few other Chinese people did. He started Alibaba in his Hangzhou apartment, with 17 friends and $60,000 of funds. At the time, when e-commerce was unheard of in China, “I called myself a blind man riding on the back of blind tigers,“
17、he once said, according to The Guardian. His unusual ideas earned him the nickname “Crazy Jack Ma“.Indeed, Ma is different. Although he is very thin and about 160cm tall, “Ma is yet animated and forceful,“ said The Guardian. “He is funny, creative, and a compelling speaker.“Ma told Time magazine tha
18、t he was “old for the Internet“. He started to slow down and looked around. According to The Wall Street Journal, Ma “plans to open a tai chi club with the actor Jet Li, build an entrepreneur university in Hangzhou and continue to work on several environmental projects.“5 What made him into e-commer
19、ce industry?(A)His English learning experience.(B) His foresight and ambitions.(C) His belief in perseverance.(D)His 17 friends and $60,000 funds.6 What does the underlined sentence in Paragraph 5 mean?(A)Ma is a blind man riding on a blind tiger.(B) Ma had no confidence in his business future.(C) M
20、a knew little about e-commerce.(D)Ma had not enough money at that time.7 What s the personality of Ma Yun according to the passage?(A)Funny and competitive.(B) Determined and creative.(C) Rich and different.(D)Attractive and believable.7 Summer Camps for TeenagersThere are many types of summer camps
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