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1、2017-2018学年辽宁省六校协作体高二下学期联考（6月）英语试题命题学校：凤城一中 命题人：高二英语组 校对人：高二英语组第 I 卷第一部分：听力（共两节，满分30分）第二部分：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，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。ALife in space will certainly take some getting used to! But the space station has been designedto keep the astronauts as co
2、mfortable as possiblethe modules(舱) are roomy，bright，and kept at a constant 21C. Its important the crew members are comfortable because theyll be busy aboard the station. In a typical workday，crew members will spend 14 hours working and exercising, 1.5 hours preparing and eating meals，and 8.5 hours
3、sleeping. Here are some other fun facts about life aboard the station：Food Come mealtime, astronauts will have a special dining kitchen. Space food just keeps getting betterand more like food we enjoy here on Earth. In early space missions, astronauts could eat only freeze-dried food that didnt requ
4、ire any preparation. But the space station is equipped with water, microwave ovens, and refrigerators, allowing the folks on board to eat more “normal” types of food, including fruit, vegetables, and ice cream!Sleep Each crew member has a private room. With no gravity, theyll need to tie themselves
5、to their beds, or they will float away！That might sound like a strange way to sleep, but astronauts from past space missions report that sleeping in space is actually pretty great!Exercise You might not think it, but exercise is even more important on the station than it is on Earth. There is not mu
6、ch gravity in space. Astronauts dont stand up, sit down or walk in space, so their muscles and bones dont have to work muchand this muscle and bone loss can be dangerous back on Earth. To fight this, astronauts on the station will exercise on bikes, rowing machines, and other equipment about two hou
7、rs every day.Clothing Astronauts will have to wear special space suits while traveling aboard the U.S. shuttle or Russian rockets. But once theyre safe inside the space station, crew members can wear regular clothing. Of course, a specially designed pressurized space suit is required for space walks
8、. It has to bear flying pieces and protect the astronauts from dramatic temperature changes. It can range from -84 C in the shadow of the station to 121C in the hot sun.Personal CleanlinessSimple tasks like brushing your teeth can be challenging in a weightless environment. A little water doesnt flo
9、w in a stream. Astronauts will use a freshwater hose(软管) to take showers, shampoo，and wash offthen a second vacuum hose to suction(吸) off the dirty water. And how do you go to the bathroom in space? With a special “air toilet” that uses flowing air instead of water to get rid of waste.21. The text i
10、s mainly about _A. ways to get used to life in space B. fun facts about life in spaceC. temperature changes in spaceD. a typical workday in space 22. What do we know about space food from the text?A. Astronauts could eat apples in space in the pastB. Astronauts eat only fruit, vegetables and ice cre
11、am now.C. Space food is getting better now than before.D. Fresh food isnt available to astronauts in space.23. Why is exercise more important in space than on Earth? A. Because it can make astronauts feel relaxed in space. B. Because it can help astronauts spend their spare time happily. C. Because
12、astronauts lives are more important in space than on Earth. D. Because it can prevent astronauts from causing muscle and bone loss.24. What can be learned from the paragraph “Clothing”? A. The temperature is quite different in different places in space. B. Astronauts wear pressurized space suits jus
13、t to keep warm. C. Astronauts must wear special space suits all the time in space. D. Astronauts can wear regular clothing for space walks now.B Its 3 oclock and youve been hard at work. As you sit at your desk, a strong desire for chocolate overcomes you. You try to busy yourself to make it go away
14、. But it doesnt. Here is another situation. Perhaps you are not feeling well. The only thing you want to eat is a big bowl of chicken soup, like your mom used to make when you were sick as a child. Food cravings are a strong desire for a specific type of food. And they are normal.Scientists at the w
15、ebsite How Stuff Works compare hunger and cravings this way. Hunger is a fairly simple connection between the stomach and the brain. They even call it simply “stomach hunger.” When our stomachs burn up all of the food we have eaten, a hormone (荷尔蒙) sends a message to one part of the brain for more f
16、ood, which regulates our most basic body functions such as thirst, hunger and sleep. The brain then produces a chemical to start the appetite and you eat. Hunger is a function of survival.A craving is more complex. It activates (使活跃) brain areas related to emotion, memory and reward. These are the same areas of the brain activated during drug-c
