| The concept of biodiversity encompasses
several different levels of biological organization, from the very specific to
the most general. It has been clear for some time that at all of these levels of
organization the rich biodiversity that has always characterized the natural
world is today declining. The extinctions or threatened extinctions of many
species are but the most visible and well- known manifestation of a deeper and
more far-reaching trend. Changes in how the land is used are probably the principal contributor to the current decline in biodiversity. The pressures on terrestrial resources and land depend very much on population growth and the demands of early stages of economic development. Moreover, land acquisition, especially. for agriculture and forestry, focuses initially on those areas with the most fertile soils and equable climates, wh A. Changes of biological organizations. B. Impact of chemicals on the landscape. C. Causes of decrease in biodiversity. D. origins of worldwide deforestation. [单项选择]Conversation Two
[单项选择]Which of the following is right
A. The bank is open until four on Fridays． B. The bank is still open at 4:30 on Thursday. C. The bank will not open on Sundays. [单项选择]The following are three ads.
Driver Wanted 1. Clean driving license 2. Good-looking 3. Age over 25 Apply (申请) to: Capes Taxi, Shenzhen Tel: 0755-6561382 Air Hostess (空姐) Wanted 1. Age between 20 and 33 2. Height from 1.6 m to 1.75 m 3. Two foreign languages 4. College graduate Apply to: China airlines, Beijing Tel: 010-88488970 Teacher Needed For private language school Teaching experience necessary A A. No working experience. B. No driving license. C. No cell phone. [单项选择]Which of the following is CORRECT
A. There is a chocolate, delicious, round, mouth-wateringly cake in the baker’s window. B. There is a round, mouth-wateringly, delicious chocolate cake in the baker’s window. C. There is a mouth-wateringly, delicious, round, chocolate cake in the baker’s window. D. There is a mouth-wateringly, chocolate, delicious, round cake in the baker’s window. [单项选择]
A. Male insects are always smaller than females. B. In a given species nature provides differences between sexes to secure successful production. C. Size and strength protect females from other females. D. Longevity is characteristic of the Dynastes and Megasoma. [单项选择]Which of the following is correct
A. Had you worked harder, you would have met the deadline. B. Have you worked harder, you would have met the deadline. C. If you worked harder, you would have met the deadline. D. If you have worked harder, you would have met the deadlin [单项选择]Which of the following postoperative complications would the nurse particularly anticipate in a client undergoing a pelvic surgical procedure such as an ileal conduit（）
A. Bleeding. B. Infection. C. Thrombophlebitis. D. Atelectasis. [单项选择]Which of the following is INCORRECT
A. I used to write poems when I was in college. B. She used to live in London for three years. C. He is used to walking after supper. D. Used you to work every weekend 我来回答: 提交
|
