在数学版看到有人贴蚊子与人的阅读和题目。
我选的是:
17.The passage is primarily concerned with
A discussing shortsighted proposals to eliminate problems with mosquitoes
19. The author mentions the plant Dracaena primarily in order to
D provide an example to support the preceding statement
20. Which of the following best describes the organization of passage
C A thesis is presented, a supporting example is provided, and then the thesis is reaffirmed
18. According to the passage, which of the following statements abouts the interaction between people and mosquitoes
这个答案没给全,我应该是选D或E