问题：Paragraph 5 ______...
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问题：What are smart windows, according to Paragraph 4 ?A．Windows that are coated.B．Windows that are glazed.C．Windows the color of which can be changed.D．Windows that have many layers....
问题：Sperm whales can produce stronger ultrasonic waves to kill their prey than dolphins.A．RightB．WrongC．Not mentioned...
问题：Thousands of people perished in the storm.A．diedB．sufferedC．floatedD．scattered...
问题：These are their motives for doing it.A．reasonsB．excusesC．answersD．plans...
问题：Whistles could also be used to communicate between adult dolphins and baby dolphins.A．RightB．WrongC．Not mentioned...
问题：Defending the Theory of Evolution Still Seems NeededJudith S. Weis, a biology professor who serves as president of the American Institute of Biological Sciences (AIBS) is leading a nationwide effort to "defend" the theory of evolution. Weis leads the effo...
问题：Which one of the following is NOT the reason for an overall lack of teaching Darwin's theory?A．Teaching of creationism diminishes teaching of evolution.B．Teachers are not required to teach Darwin's theory.C．teachers often leave out the teaching of evoluti...
问题：A great deal has been done to remedy the situation.A．maintainB．improveC．assessD．protect...
问题：The river widens considerably as it begins to turn west.A．twistsB．stretchesC．broadensD．bends...
问题：As early as the 6th century, Irish fishermen started raising dolphins in the Shannon estuary.A．RightB．WrongC．Not mentioned...
问题：The energy stored in coal ______....
问题：John is collaborating with mary in writing an article.A．cooperatingB．competingC．combiningD．arguing...
问题：But in the end he approved of our proposal.A．undoubtedlyB．certainlyC．ultimatelyD．necessarily...
问题：What will be the benefit if the research on smart windows turns out to be successful, according to the last paragraph?A．The buildings will look different.B．Windows can be as large as you want.C．We may not need air conditioners any more.D．They are less exp...
问题：The food is insufficient for three people.A．instantB．infiniteC．inexpensiveD．inadequate...
问题：To make electrochromic windows change color, what is applied to the window glass?A．Electricity.B．Tungsten oxide.C．A battery.D．A voltage....
问题：Paragraph 6 ______...
