庭荫树一般要求主干高()m。A1.8-2.0B2.5-3.0C1.2-1.5……

未分类题Despite budget cuts,______.A．the number of visitors to national parks has stayed steadyB．national parks have adapted wellC．more and more people are visiting national parksD．congressional leaders have paid little attention to the needs of national parks

未分类题The authors purpose in writing this text is______.A．to describe recent environmental policyB．to point out the difficulties inherent in protecting national parksC．to call for the protection of national parksD．to analyze the current status of national parks

未分类题According to the text, proposed legislation could______.A．raise awareness of the needs of national parksB．allow roads to go through national parksC．eliminate national parksD．help save national parks

未分类题Which of the following titles is most appropriate to the text?A．Remembering Lessons LearnedB．How to Save EnergyC．In Search of Alternative FuelsD．A Discussion of Global Warming

未分类题According to the text, the early warnings about smoking and the early warnings about global warming were similar because______.A．both were dismissed at first by those with vested interestsB．both ignored the underlying problemC．both failed to receive public supportD．both were successful in the end

未分类题The difference of stress-response behaviors between men and women is partially caused byA．the nature of both sexesB．the different social networksC．the secretion of certain hormonesD．the connection to nervous system

未分类题According to the passage, which of the following is one of the 'tend-and-befriend' behaviors?A．Quarrel with other family members.B．Travel alone to other countries.C．Give a hand to other people.D．Care about the children.

未分类题Which of the following leads to more hostile and aggressive behaviors?

未分类题The word 'base'(line 5, para. 2)most probably means '______'.A．basicB．ignobleC．honorableD．strange

未分类题The author believes that new government regulations______.A．may improve handling of livestockB．may help control the spread of Mad Cow DiseaseC．may hurt the economy by eliminating small farmersD．may make food even less safe

未分类题According to the study, failing to deal with inequality in the workplace______.A．is a waste of resourcesB．could lead to a glass ceilingC．could affect political stabilityD．could stimulate economic growth

未分类题The wind turbine serves as an example of______.A．adaptationB．complementC．mitigationD．safeguard

未分类题The author argues that, given the conditions on factory farms,______.A．we should all be outragedB．it's no wonder that disease is commonC．the government should institute new regulationsD．Mad Cow Disease may never be fully controlled

未分类题The picture of the reading ability of high school seniors drawn by the author is______.A．extremely impressiveB．very encouragingC．mediocre at bestD．rather bleak

未分类题The author suggests that the situation could be improved if______.A．schools provided separate classes for advanced and lower-level studentsB．parents would play a more prominent role in their children's educationC．schools would expect the same effort from poor-performing readers as from proficient readersD．more attention was paid to the test results