题目

Career education is instruction intended to help young people identify, choose, and prepare for a career. Such instruction may focus on a person’s role in work, leisure, or family life. Career education differs from vocational education, which is designed to teach specific occupational skills.   Career education includes the formal and informal learning that occurs in the family, in the community, and in schools. In schools, career education consists of instructive activities included in many courses. These activities are designed to improve the attitudes, knowledge, and skills important fo20．a河下游河段比上中游河段水量少，原因是下游流经什么气候区（　　）A．热带雨林气候B．热带草原气候C．热带季风气候D．热带沙漠气候