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...
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问题：The food is insufficient for three people.A．instantB．infiniteC．inexpensiveD．inadequate...
问题：We can use energy from the sun because ______....
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：But in the end he approved of our proposal.A．undoubtedlyB．certainlyC．ultimatelyD．necessarily...
问题：Paragraph 6 ______...
问题：Electromagnetic EnergyWhite light seems to be a combination of all colors. The energy that comes from a source of light is not limited to the kind of energy you can see. Heat is given off by a flame or an electric light. On a cloudy day it is possible to ...
问题：According to Weis in the 5th paragraph, the theory of evolution ______.A．is fundamental to the development of modem genetics, molecular biology and geonomicsB．is a political issueC．is based on genetics, molecular biology and geonomicsD．has increased our u...
问题：Why do people replace the term creationism with the term intelligent design nowadays?A．Because "intelligent design" represents the modified theory of evolution.B．Because they believe God created different species.C．Because the term creationism is unscient...
问题：The river widens considerably as it begins to turn west.A．twistsB．stretchesC．broadensD．bends...
问题：Do scientists know how many cryptic species exist?A．Not yet.B．Yes, they do.C．They will know the answer in another one or two years.D．They will never know the answer....
问题：AIBS's is composed of ______.A．more than 80 societies and 250,000 membersB．250,000 biologistsC．80 member organizationsD．more than 250,000 members and 80 member societies...
问题：John is collaborating with mary in writing an article.A．cooperatingB．competingC．combiningD．arguing...
问题：Whistles could also be used to communicate between adult dolphins and baby dolphins.A．RightB．WrongC．Not mentioned...
问题：Hearing problems may be alleviated by changes in diet and exercise habits.A．removedB．curedC．worsenedD．relieved...
问题：As early as the 6th century, Irish fishermen started raising dolphins in the Shannon estuary.A．RightB．WrongC．Not mentioned...
问题：Sperm whales can produce stronger ultrasonic waves to kill their prey than dolphins.A．RightB．WrongC．Not mentioned...
