By mentioning Bangladesh in the last paragraph, the author intends to______.
A．state that many countries are making precaution for global warming
B．demonstrate that Bangladesh is one of the poorest countries in the world
C．argue that the U.S. has been behind many countries preparing for global warming
D．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()。