We can infer that the definition of natural succession the author would support would be______.
A．methods of preventing runoff of water
B．the relationship between the environment and living organisms
C．the effect of living things on the environment
D．how environmental changes change life within an ecosystem

未分类题The words of Richard Klein suggests that______.A．to adapt to a problem, one must first admit its existenceB．he admits that the IPCC report exists some problemsC．it's time for people to face global warmingD．the U.S. didn't acknowledge global warming, let alone adapting it

未分类题下列选项中，属于crm基本要求的是()。

单项选择题实验研究方法根据控制程度的不同可以分为()A文献法与内容分析法B真实验与准实验C.访谈法与问卷法D.实验室观察与自然观察

未分类题By mentioning Bangladesh in the last paragraph, the author intends to______.A．state that many countries are making precaution for global warmingB．demonstrate that Bangladesh is one of the poorest countries in the worldC．argue that the U.S. has been behind many countries preparing for global warmingD．prove that it's very important to make adaptation to global warming

未分类题交换机转发数据的三种方法是(。)

未分类题The main opposition that homeschoolers have to the new requirement is______.A．the test is not fair towards homeschoolersB．it forces homeschoolers to adopt a public school's curriculumC．it is troublesome to prepare students for itD．that standardized tests are expensive

未分类题教师要做到“二熟练”是()。

未分类题What is the main idea of the third paragraph?A．An ecosystem is a community that includes animals, plants, and microscopic bacteria.B．Local ecosystems depend on each other, so human activity should be cautiously planned.C．In managing the ecology of an area, we should use natural succession to our advantage.D．People should remember that they are a part of the ecosystems where they live and work.

未分类题执行crm战略时，需要注意的与“客户关怀”有关的要素包括()。

未分类题Which of the following is NOT true about behavioral economics?A．People coming up with Stealth Health apply this subject.B．It focuses on the way people make their decisions.C．It mainly pays attention to how environment affects people's decision.D．It advocates leading people to make right decisions while giving enough options.

未分类题Which is the authors attitude towards Stealth Health?

未分类题管理的特征是()。

未分类题It can be concluded from the text that______.A．the phenomenon of shyness is incurableB．the shyness is not something a child can easily controlC．the shyness is a brain defect that may require outside helpD．the shyness is a normal part of all children to some extent or another

未分类题By writing Paragraph 1, the author intends to______.A．prove the accuracy of Yale's studyB．introduce the theory mentioned belowC．demonstrate the importance of eating fruitsD．claim children are fascinated about X-ray

未分类题The first paragraph of the text deals mainly with the earth atmospheres______.A．sheltering effectB．reviving effectC．invigorating effectD．cleansing effect