更多"The primary purpose of the passage "的相关试题:
[单项选择]The primary purpose of the passage is to
A. (A) explain and resolve a controversy among meteorologists
B. (B) present and describe a recently discovered phenomenon
C. (C) suggest and prove a theory on the cause of a phenomenon
D. (D) describe and confirm research findings under question
E. (E) discuss and evaluate the soundness of certain experimental observations