1. Come across 偶然遇到，碰到/動詞詞組

2. Look up 查找/動詞詞組

3. At top speed 快速的/介詞詞組

4. Depend on sb./sth. 依賴某人或某事

5. After all 畢竟/副詞詞組

6. Begin with 開始于什么/動詞詞組

7. Make sense 有意義/動詞詞組

8. Have a preference for sth./doing sth. 偏愛，優先選擇/動詞詞組

9. Look for 尋找/動詞詞組

10. Go through 經歷/動詞詞組

11. Come up with 想到(如：某個想法/主意)/動詞詞組

12. Spark a interest in sth. 激發做某事的某種興趣/動詞詞組

13. Be involved in sth. 參與某事/動詞詞組

14. Lead to 導致/動詞詞組

15. Develop a habit 養成習慣/動詞詞組

16. Provide sb. with sth. 為某人提供某事/動詞詞組

17. Sharpen sb.'s awareness of sth. 提高某人的什么意識/動詞詞組

語言點：

1. A.When students in a college class were asked what should be done when they came across a new word in their reading，84 percent said，“Look it up in the dictionary.”

B. Suppose someone asks you what the word “fast” means.

2. Make one's efforts most productive 賓補; 使你的努力變得有成效。

3. Reading travel books apparently comes “before” other kinds of reading. 動名詞做主語

4. 語法：Only when you go through the mental exercises to come up with a tentative definition should you open the dictionary to see if you're right. 倒裝句型

Only+狀語+助動詞+主語+動詞的適當形式+其他

e. g. Only in that way could we solve the problem.

Only when he left did I feel lonely.

5. Heighten(v.提高、升高)heightened(adj.提高的);increase(v.提高)increased(adj.提高的)