本文为大家搜集整理了2014年综合类职称英语完形填空
Every living thing has what scientists call a biological clock that controls behavior. The biological clock tells ___C__1___ when to form flowers and when the flowers should open1. It tells ___A__2____ when to leave the protective cocoon and fly away, and it tells animals and human beings when to eat, sleep and wake.
Events outside the plant and animal ___B__3_____ the actions of some biological clocks. Scientists recently found, for example, that a tiny animal changes the color of its fur __C__4_____ the number of hours of daylight. In the short ____5__B_ of winter, its fur becomes white. The fur becomes gray brown in color in the longer hours of daylight summer.
Inner signals control other biological clocks. German scientists found that some kind of internal clock seems to order birds to begin their long migration ___A__6____ twice each year. Birds ____A_7_____ flying become restless when it is time for the trip, _B___8___ they become calm again when the time of the flight has ended.
Scientists say they are beginning to learn which __B__9____ of the brain contain biological clocks. An American researcher, Martin Moorhead, said a small group of cells near the front of the brain __D__10____ to control the timing of some of our actions. These ___C_11____ tell a person when to ___A__12_____, when to sleep and when to seek food. Scientists say there probably are other biological clock cells that control other body activities.
Dr. Moorhead is studying __A___13____ our biological clocks affect the way we do our work2. For example, most of us have great difficulty if we must often change to different work hours. ___B__14____ can take3 many days for a human body to accept the major change in work hours. Dr. Moorhead said industrial officials should have a better understanding of biological clocks and how they affect workers. He said __C__15____ understanding could cut sickness and accidents at work and would help increase a factorys production.
1. A) scientists B) humans C) plants D) animals
2. A) insects B) birds C) fish D) snakes
3. A) effect B) affect C) effected D) affected
4. A) because B) for the reason that C) because of D) since
5. A) months B) days C) minutes D) weeks
6. A) flight B) fly C) movement D) transportation
7. A) prevented from B) ordered by C) helped by D) intruded on
8. A) and B) but C) therefore D) however
9. A) portions B) parts C) sections D) kinds
10. A) try B) tries C) seem D) seems
11. A) things B) parts C) cells D) actions
12. A) awaken B) wake C) awakening D) wake-up
13. A) how B) why C) where D) what
14. A) We B) It C) They D) You
15. A) so B) with C) such D) if
雅思机经:5月12日口语考试话题回顾Part One
揭秘雅思听力九大最难细节:你究竟错在哪里
雅思口语机经:11月3日4日考试话题汇总
雅思口语:听得勤读得广写得多说得频
2012雅思写作上半年总结及下半年备考策略
揭秘雅思“要命阅读题”的三种思维策略
盘点雅思写作十大“见官死”失败开头
雅思考官教你征服口语:Part Two考官作答
雅思预测:2012年11月雅思考试重点大解密
口语机经:雅思7月28日考试话题汇总Part1
雅思阅读:三招非传统最快速突破方法
雅思口语:7月考试解析及8月预测
雅思口语注意细节扩展 提升表达的丰富性
名师支招:雅思小作文常用词汇和表达
高效备战雅思听力:语音词汇技巧全面指导
雅思考官传授拿分技巧:口语声音大就有分
揭秘雅思备考为何会发现越复习分数越低
雅思口语机经:9月1日2日考试话题汇总
巧用逻辑轻松备战雅思口语
一眼看完雅思听力环保场景词汇
雅思写作满分作文“万能方法”四则
雅思阅读:9月考试预测及要注意四大要点
不得不看:决定雅思阅读成败的三个细节
雅思口语机经:11月8日9日考试话题汇总
雅思写作:四个诀窍把词汇量发挥到极致
100条你一定会用到的英语写作高频短语
雅思“机经”只可参考 过分迷信或得不偿失
备考辅导:雅思写作几大易错词汇纠正
雅思阅读:7月考试解析及8月预测
雅思知识普及:春节十五天,天天不重样
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |