《三级班听力答案3~8单元(1).doc》由会员分享，可在线阅读，更多相关《三级班听力答案3~8单元(1).doc（12页珍藏版）》请在金锄头文库上搜索。
1、 三级班听力答案倾情制作：2015级会计2班 刘丽萍注意：考虑到大家的进度【其实还是本人比较懒】，从UNIT3 开始。主要包含我认为比较难且重要的部分。因为不能全部复制，选择题是手动打上去的。与答案有出入的话还请见谅。期末加油呀UNIT 3Unit testA C A C BB B D A CC B D D D In the town where I grew up, there were two creeks running through it. In the 1) winter, Id trap muskrats, and we also skated a lot. Rocky Fork
2、 Creek ran a great distance, and wed 2) literally skate for miles. Big Walnut Creek on the other hand was where more folks from the 3) community came to skate socially. It was a much 4) wider creek. Wed have bonfires there and had some great hockey games, too.My friend, Zeke, had 6 5) siblings and e
3、very kid in the family had their own horse, so wed go to Zekes and ride through the 6) woods and meadows. Zeke would pull us on sleds using his dads tractor. In the summer, wed 7) explore the creeks, and Id be 8) catching snakes and frogs, and fishing.In the summer my family and I traveled to Butler
4、, PA to visit my grandparents. We would play golf or at night we all played cards. Grandpa would take me fishing and he and I 9) would run errands all around town in his red old car. On Friday nights he and I watched the Gillette Fights.My family and I also spent two weeks each summer at Conneaut La
5、ke Park. There was a huge three-story hotel whose grounds were really beautiful. The park also had a small 10) golf course, and a midway, and I recall we could ride all the rides in the amusement park for only $2 on Wednesdays. Id get up and go fishing in a nearby canal before the rest of the family
6、 awoke. UNIT 4ConversationsD B C A DB C D BPassagesB C A DScientific research should improve our overall quality of life. The government should provide financial and political support to any research that is likely to result in immediate and significant benefits for the people. However, peoples idea
7、s 1)vary when it comes to whether the government should support scientific research with no practical use. Still 2) a large portion of people believe that the government should distribute adequate funds to any scientific research that aims to improve the 3)well-being of people, even if it is of no p
8、ractical use in the short run.Scientific research whose social benefits are immediate, predictable, and 4)profound should continue to be a high priority. For example, biotechnology research has been proven to help cure and prevent diseases; information technology enables education to be more 5) acce
9、ssible; and communication technology facilitates global peace by improving mutual understanding among people and their participation in the democratic process.However, this is not to say that research whose benefits are less immediate or clear should be given a lower priority. It is difficult to pre
10、dict which research will 6)ultimately lead to the greatest contributions to society. Reluctance to finance less practical scientific research could 7)have a harmful effect on the efforts to explore new knowledge. This is particularly true of the computer sciences. For instance, before the first comp
11、uter was invented, public opinions 8)went against it, as most people saw nothing practical in computer research. However, computers transformed the way human society evolved and proved to be of great avail in the long run, especially in terms of scientific development in fields such as the military,
12、 medicine, 9)aviation, and education.Therefore, never should we think that scientific research whose benefits are unknown 10)is not worth pursuing since the purpose of any research should be to discover truths, whatever it might be.Unit test B C A C DC C D A DD A B A A This might be an important sci
13、entific breakthrough. A scientist set out to improve the productivity (生产力) of farm animals and along the way set off a 1) biological earthquake. The experiment he 2) firmly pursued (从事) involved work with a cell from an adult mammal. His 3) efforts were to make a cell behave like a cell from a deve
14、loping embryo (胚胎). And it was successful. He and his coworkers cloned a sheep called Dolly and introduced her to a skeptical world in February 1997.Perhaps it was his 4) isolation in a quiet rural part of Scotland that permitted him to resist the 5) objectors. Or perhaps it was the isolation of the
15、 remote field of farm animals that gave him the 6) originality. However, he seemed as surprised as anyone else that his 7) modest and simple experiment should have a great impact on our sense of what it is to be human. He wanted to use his cloning technology to 8) improve the health, the quality, an
16、d the productivity of farm animals. Any experiment with humans, he believed, should always be kept strictly at the very low level of cells and proteins. It would be 9) morally unacceptable, he said, to use his technique to create a human clone. Of course, this achievement would bring fear, debate and new 10) legislation in countries around the world. In a word, Dolly the sheep has changed the world. UNIT 5L
