PART ONE
Ⅰ.Vocabulary
and Structure (10 points, 1 point for each item)
从下列各句四个选项中选出一种最佳答案，并在答题纸上将对应旳字母涂黑。
1. It is time now to learn ________ to protect our atmosphere, the roof over the world of man.
A. what B. which C. how D. that
2. Association refers ________ taking the material we want to remember and relating it to something we remember accurately.
A. in B. to C. up D. by
3. Tomatoes ________ love apples and were supposed to make people __ ...