Which of the following is the best title for the text?
A．Everyone desires a good night's sleep
B．A study on less sleep's jeopardy
C．More sleep doesn't mean better life
D．Less sleep, more heart disease

未分类题According to the author, technology______.A．is the key to eliminating the gap between the rich and the poorB．has led to many of society's fundamental changesC．is literateD．has caused war to be focused more heavily on nuclear confrontation

未分类题The authors attitude towards the study on architectures influence on human is______.A．confidentB．pessimisticC．unconvincingD．impracticable

未分类题According to the article, which of the following is true about Kamen?A．His invention is marketed exclusively to corporate clients.B．He has over 150 patents.C．He believes that his Segway might revolutionize human transportation.D．He has gray hair.

未分类题According to the text, when might communication difficulties arise?A．When the messages sent do not fit the social norms expected by the receiver.B．When there is mutual distrust between the involved parties.C．When the parties involved strongly desire interaction.D．When the parties involved fail to use nonverbal cues.

未分类题Kamen believes that the entrepreneurial life______.A．is the only way to succeed in modern AmericaB．is always frustratingC．is not for everyoneD．is often misrepresented in the media

未分类题呼叫中心的基本结构包括下面的()。

未分类题数据仓库具有的特点包括()。

未分类题When the retina reflects the beams, what occurs?A．Patients have trouble seeing.B．The ability to focus is gone.C．No correction is needed.D．The lens bends the light beams.

未分类题The authors attitude towards the Visx machine is that______.A．it is interesting but not very usefulB．he says it's a wonderful invention which could replace eye chartsC．it can be useful but he thinks it's too early to make a switchD．too much time and money have been wasted on it

未分类题Why isnt it important what McKay sees in the machine?A．He doesn't like the machine.B．An eye chart is better.C．It's what the machine sees in him that is important.D．The prototype doesn't work very well.

单项选择题高压设备的划分标准是()。

未分类题Which of the following titles is most appropriate to the text?A．The Failed Search for an Earthquake Prediction SystemB．The Merits of Trying to Predict EarthquakesC．The Debate over Earthquake Prediction SystemsD．The Drawbacks of Earthquake Prediction Systems

未分类题Which of the following best sums up activities within an ecosystem?A．Predator-prey relationships.B．Interactions among all members.C．Human-animal interactions.D．Human relationship with the environment.

未分类题学期教养工作计划的制定一般包括以下内容()。

未分类题We can infer that the definition of natural succession the author would support would be______.A．methods of preventing runoff of waterB．the relationship between the environment and living organismsC．the effect of living things on the environmentD．how environmental changes change life within an ecosystem