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发布时间:2024-03-11 01:14:30

[简答题]Centrifuges are widely use to separate liquids having different densities or to separate solids from liquids.

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[名词解释]liquids
[填空题]People use credit cards on condition that they have ______.


[填空题]People use computers widely in the world.
Computers ______ widely ______ in the world.


[单项选择]HAV是
A. 脊髓灰质炎病毒
B. 甲型肝炎病毒
C. 流行性乙型脑炎病毒
D. 丙型肝炎病毒
E. 人类免疫缺陷病毒
[填空题]People use English widely in the world.
English ______ used in the world.


[单项选择]The History of Chinese Americans
Chinese have been in the United States for almost two hundred years. In fact, the Chinese had business relations with Hawaii prior to relations with the mainland when Hawaii was not yet part of the United States. But United States investments controlled the capital of Hawaii at that time. In 1788, a ship sailed from Guangzhou to Hawaii. Most of the crewmen were Chinese. They were considered the pioneers of Hawaii. The Immigration Commission reported that the first Chinese arrived in the United States in 1820, eight in 1830 and seven hundred and eighty in 1850. The Chinese population gradually increased and reached 64,199 in 1870.
For many years it was common in the United States to associate Chinese Americans with restaurants and laundries. People did not realize that the Chinese had been driven into these occupations by the prejudice and discrimination that faced them in this country.
The first Chinese to r
A. gold miners
B. railroad builders
C. steelworkers
D. farmhands
[单项选择]Passage Five
A number of researchers have examined the variables/strategies that affect students’ learning English as a second language. This report identifies some of the learner variables/ strategies used by two students in a Hong Kong Technical Institute. The instruments for data collection included observation, interviews and questionnaires. The findings are discussed and some implications highlighted.
What makes a ’good’ language learner ’good’, and what makes a ’poor’ language learner ’poor’ What does this imply for the teaching of language in the Hong Kong context These are the central questions of this assignment. The existing body of research attributes the differences between language learners to learner variables and learner strategies, Learner variables include such things as differences in personality, motivation, style, aptitu
A. empirically observable
B. often impossible to observe directly
C. poorly defined in the research literature to date
D. easier to theorize about than to carry out directly
[单项选择]Unfortunately sales results over the last year have failed to come up to our expectations. A number of factors have been responsible, but basically it is the result of too many companies chasing the microcomputer market which is no longer expanding as fast as it once was.
Looking at the past year in detail, it must be admitted that the sales have declined considerably over the period. Our market share in wholesales has dropped from 21% to only 10%. The lack of a good local distributor in Asia has meant that our sales of the Obec series have collapsed despite the huge jump in the microcomputer market there during the past year. Our dominance of that part of the market has been lost to Strong, but once we find a new distributor we should come back strongly.
Retail sales in general have been a problem. There has been a tendency for the big high street stores to concentrate on high volume turnover of a few fairly well-known makers. When they stopped promotion of the Obec 1500
A. None of Obec’s products showed any upturn in sales last year.
B. The whole microcomputer market in Asia slumped last year.
C. Obec Extra failed because of inappropriate marketing strategy.
D. Obec 1000 and 2000 immediately lost about half of their markets to Legend 586 plus.
[填空题]All key parameters of an alliance relationship have to be planned comprehensively.
[单项选择]HAV的主要传播途径是
A. 虫媒传播
B. 输血传播
C. 呼吸道传播
D. 消化道传播
E. 直接接触传播
[单项选择]对HAV的错误叙述是
A. 为单股正链RNA病毒
B. 能在组织培养中增殖并传代
C. 在潜伏期末和急性期初
D. 患者粪便和血液均有传染性
E. 一般不转为慢性
[填空题] The United States and five major Asian nations have announced a partnership to develop new energy technologies to reduce pollution and curb global warming without hurting economic development. The plan was officially unveiled Thursday at a (36)________meeting in Laos. Australian Foreign Minister Alexander Downer announced the Asia-Pacific Partnership on Clean Development. He says it will develop and (37)________ clean energy technologies among some of the biggest polluters in the developing and the (38)________world. The partnership brings together the world’’s two largest (39)________— the United States and China — and four other major Asian economies: Japan, India, Australia and South Korea. Together these six countries contribute more than one-half of the world’’s so-called greenhouse gases that contribute to global warming. U. S. (40)________ Secretary of State Robert Zoellick says the partnership will allow industrialized partners to gain a better understanding

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