Smith died in 1800. 查看材料

A.To give an example of the various reasons for road accidents. B.To show how important it is for drivers to be emotionally healthy. C.To show some of the inaccurate estimations by researchers. D.To illustrate the hidden tensions in the course of driving.

A.enable each worker to make pins more quickly and more cheaply B.increased the possible output per worker C.increased the number of people employed in factories D.improved the quality of pins produced．

A.Five days. B.One week. C.Two weeks.

A.He can"t fmd good subjects to photograph． B.His indoor shots are too dark． C.His pictures are often blurry． D.His camera is too big for good detail．

A.do well B.reflect light C.look happy D.produce light

A.there is no end to the talking about... B.it is harmful to talk about... C.it is not meaningless to talk about... D.there is no reason for talking about...

A．1 000 B．1 300 C．1 500 D．2 100

A.2. B.7. C.9. D.12.

A.Right B.Wrong C.Not mentioned

A.doctors will be able to repair the destroyed cells of human bodies B.cancer and other infected diseases will be cured C.there will be more accurate diagnoses of diseases D.the medical devices will become smaller and devices with single function are produced

A.sunny B.flat C.dry D.sandy

A.stop buying plastic bottles B.take individual action C.visit Australia D.stop voting

A.the use of scientific findings B.the practice of producing the same parts for a product C.the human power being replaced by other forms of energy D.the technology becoming the encouragement of historical change

A.Right B.Wrong C.Not mentioned

A.10 pipelines to provide gas. B.10 companies to lay the pipelines. C.10 floating houses to be built on water. D.10 building projects planned and started.

A.seldom see snow B.never see any snow C.may have several feet of snow D.often see snow

A.the carelessness of the drivers B.increase in the number of ears stolen C.non-professional thieves D.lack of parking space E.safe parking spots F.professional thieves

A.a small stream of water flowing naturally from theearth B.the season of the year， occurring between winter and summer C.the act or an instance of jumping or leaping D.a length of metal woundaround， which returns to its original shape afterbeing pushed

A.colleagues B.neighbors C.parents D.students

A.The Cherokee Indians. B.Tourism. C.Ben Sands. D.Scientists.

A.situations B.happenings C.conditions D.facts

A.A disk or plate placed under a drinking glass to protect a table top. B.A vessel engaged in coastal trade. C.A roller coaster. D.A resident of a coastal area.

A.permanent B.healthy sign C.seasonal D.nothing serious

A.Right B.Wrong C.Not mentioned