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.