In my opinion, you'd better take a couple of days off.（）

A . intime B . inturn C . inadvance D . indetail

A . reluctant B . positive C . possible D . improper

A、正确 B、错误

A、Teenagers' idleness and ignorance will produce serious effect on all concerned andfor society as a whole. B、Teenagers' idleness and ignorance will produce positive effect on all concerned andfor society as a whole. C、Teenagers' idleness and ignorance won't produce any serious effect at all. D、Teenagers' idleness and ignorance will produce serious effect only onthemselves.

A．motivating her staff. B．managing her time. C．listening to her staff.

A．The prevailing Television crimes have frightened people B．The Television crimes have different social sources C．The violence on TV is often based on cowboys' shootout D．TV watching makes people think the country is under control 此题为多项选择题。

Woman: I'd appreciate that very much. Man: One of the oldest mechanical engineering areas is machine design. First, we need to know the purpose, of a particular machine, whether it's a crane or a tool or a steam engine. Then, if we know the loads that this machine will carry, we can make the most efficient use of the materials we have. Woman: I see. Is heating included in this field？ Man: Oh, yes. Heating, refrigeration, and air conditioning rely quite a lot on thermodynamics and theories of heat transfer. The goal is to make the most efficient use of power. This area can be quite involved with mathematics. Woman: I've heard of the Carnot cycle. Does this concern the mechanical engineer？ Man: Very much so. The whole field of internal combustion engines is based on the principles set out by Carnot. The mechanical engineer deals with two and four-cycle engines, gasoline and diesel engines, gas turbines, and the like. Woman: Isn't that part of automotive engineering？ Man: Yes. This is one of our largest industries. Woman: What about the aircraft industry？ Man: Of course. Aeronautical engineering became a very large field with the widespread use of airplanes. Now, with space travel, it promises to grow even larger. Woman: Well, you've been most helpful, sir. Man: Not at all. Come in again. 27.Why has the woman come to the man's place？ 28.What is the man's field of research？ 29.Which of the following subjects is involved in mechanical engineering？ 30.Who was Carnet according to the man？ (47) A．She is planning to buy a refrigerator. B．She is interested in fashion design. C．She wanted to know something about a subject. D．She asked the man to help her find a job.

A．US $ 430 B．2000RMB C．300RMB D．400RMB

A. developing countries should be responsible for environmental problems B. overpopulation in the world is created by the developed countries C. rich countries exercise worse influence on environment than poor countries D. all countries should bring the population growth under control

A．because its budget was large B．because its camera work and musical score were blended artistically C．because its plot was repetitive D．because its symbolism was very good 此题为多项选择题。

A．the project did more harm than good to both the environment and the industry B．some people profited at the price of the loss of the natural balance C．the complex was so important that all efforts must be made to keep it going D．all industrial investments must be given the most careful examination 此题为多项选择题。

A．make people indulge in pleasures B．lead to despondency C．pose touchy problems for social reformers D．throw a heavy burden on the country's welfare program

A．rectified the judgment by those carefully selected scholars. B．offered a brand new reassessment perspective. C．came up with somewhat favourable conclusions. D．resulted in similar disparaging remarks on Lincoln.

A、agricultures B、alternatives C、aptitude D、attitude

A．is likely to direct further research in the inner physics of the earth B．has successfully solved the mystery of polarity reversals C．is certain to help predict external disasters D．has caused great confusion among the world's geophysicists 此题为多项选择题。

A．help develop the graduates' confidence. B．bring a positive effect to job hunters. C．get the graduates off the coach. D．be tracked by prospective employers.

A．strict traffic regulations are badly needed B．drivers should apply road politeness properly C．rude drivers should be punished D．drivers should avoid traffic jams

A．will be taken advantage of by the rich. B．stimulates the fashion of luxurious goods. C．redistributes the wealth among people. D．hinders the development of democracy.

A．On B．To C．In D．At