This is the idea that our teacher wants to get（） us.

A．most marketable pearls are cultured because nature does not produce enough of its own to satisfy the market B．cultured pearls are of a higher quality than natural pearls C．there are two major methods of pearl-making D．a natural "drought" of pearl production is taking place

W: Good morning. M: All right, houses. Is it the time to buy or sell a house？ W: Well, actually, housing looks like it's going to be a bust. The housing sales for this month were down 1.7%. That's the second month in a row. And the markets headed for a correction or a drop in prices. And it's important to know that mortgage rates have been up, so that's one of the big reasons that it's slowing down buying. And on top of that the other big indicator mortgage applications are down. Actually last week mortgage applications hit a three-and-a-half-year low. So what does all this mean？ If you are a buyer, I think you are gonna find some bargains out there. M: Ok! It is puzzled to both then by the middle of the year you really find bargains. All right, your jobs, is this gonna be the year to look for a new job because they're gonna be available or is this a year in which more people again will get laid off. W: This is good news on the job front, in November 215,000 jobs were added, that's up from 44,000 in October. December looks good. Companies out there say they're planning to hire in the first quarter of this year and there are still jobs shortages in certain areas like finance, health care and construction. M: Great to get some optimistic news. All right, Mellody, thanks again and have a great weekend. (23) A．There will be a boom in housing. B．The house market will suffer depression. C．The bank will exert positive influence on housing. D．It will hit a three-and-a-half-year low.

A．many animals die during hibernation B．hibernation protects animals during the wintertime C．scientists feel puzzled about hibernation D．some bats hibernate and others do not

A.The price of Beijing's office space rises higher B.Different costs of office space all over the world C.The cost of Beijing's office space ranks the top D.Air pollution doesn't influence Beijing's office space

A．children should be encouraged to draw freely B．children should follow their parents' examples C．parents should know how to cultivate their kids' creativity D．most parents teach their kids confidently and instructively

A. the use of man-made materials has had harmful effects on the modern civilization B. pollution has become a more and more serious problem that is threatening the survival of humanity C. our technological achievements have grown very rapidly in the last twenty years D. we should not make increasing industrialization our chief aim

A．Fire can help people in many ways. B．Fire can be both helpful and dangerous. C．Fire can burn things and people. D．We must be careful with matches.

A．differences of temperaments of the five writers B．What is the center of the cosmos C．the common concepts of the five writers D．some briefs concerning the relationship between humanism and democracy 此题为多项选择题。

A．employers are checking more closely on applicants now B．lying about college degrees has become a widespread problem C．college degrees can now be purchased easily D．employers are no longer interested in college degrees

此题为判断题(对，错)。

A．heat at earth's core B．causes of volcanoes C．roles of pressure D．formation of volcanoes at earth's surface

A．New York is moving fast and is getting nowhere B．New York seems to be changing for the worse C．New York is a leader among American cities D．New York is often criticized for being in great mindless rush

The question is no mere academic one. The ease with【5】people can change from working in the day to working at night is a【6】of growing importance in industry where automation【7】round-the-clock working of machines. It normally【8】from five days to one week for a person to adapt to a【9】routine of sleep and wakefulness, sleeping【10】the day and working at night.【11】it is often the case in industry that shifts are changed every week. This【12】that no sooner has he got used to one routine【13】he has to change to another,【14】much of his time is spent neither working nor sleeping very【15】 One answer would seem to be【16】periods on each shift, a month, or even three months.【17】, recent research has shown that people on such systems will revert to go back to their【18】habits of sleep and wakefulness during the week-end and that this is quite enough to destroy any 【19】to night work built up during the week. The only real solution appears to be to hand over the night shift to those permanent night workers whose【20】may persist through all week-ends and holidays. (1) A．allegation B．alternation C．allocation D．alternative

A．human brains differ considerably. B．the brain a person is born with is important in determining his intelligence. C．environment is crucial in determining a person's intelligence. D．persons having identical brains will have roughly the same intelligence.

A) better use of greenspace facilities should be made so as to improve the quality of our life B) attention must be directed to the improvement of recreative possibilities C) the urban environment is providing more recreation activities than it did many years ago D) priority must be given to the development of obligatory activities

A．They spend more money than they have B．They try to save as much money as they can． C．They do not spend money． D．They have a lower incom E．

A．introduce the institutions in higher education B．evaluate the institutions in higher education C．clarify the institution terms in higher education D．classify the institutions in higher education