高等教育 / 新发展英语综合教程（二）
This passage provides us with _ _ _ _ _ _ _ .
A.a piece of scientific information
B.a normal lesson
C.an interesting test
D.a piece of news
A.a piece of scientific information
B.a normal lesson
C.an interesting test
D.a piece of news
参考答案：
佳题速递：