课堂提问的作用是什么？（8分）封闭性问题与开放性问题各自有何特点？（12分）
查看答案
What does the author intend to tell the reader？ 查看材料
A. There is still a long way to go for economists to genuinely contribute to globalhealth.
B. Economists" role in global health is， to a large extent， negative.
C. Economists increased the inequality of resource allocations in global health.
D. Economics is only one science among many that policy makers have to take into account in providing health care programs.
Which of the following is NOT used in the author‘s presentation of his ideas？
A. Thesis statement.
B. Rhetorical questions.
C. Specific examples.
Direct quotation.
Which of the following is the closest in meaning to "discipline" in PARAGRAPH 2？
A. Subject.
B. Lesson.
C. Punishment.
D. Regulation.
微信支付 
支付宝支付