Though they had a meeting yesterday, there is still much that remains______.
| A．to solve | B．to be solved | C．solving | D．solved |
25. When _______________ comes to saving energy, big changes start with small steps, like turning off the lights.
| A．that | B．this | C．it | D．One |
24. Of the two cameras, I would prefer _______________ one, which is very easy for me to carry.
| A．a smaller | B．the smallest | C．a small | D．the smaller |
23. Mr Jones, a professor, ___________ for his excellent lectures, is popular with his students.
| A．known | B．knowing | C．to be known | D．having known |
22.—Can you give some advice on what I said just now?
—Sorry. My mind______________.
| A．is wandering | B．was wandering |
| C．has wandered | D．had wandered |
第二部分：英语知识运用（共两节，满分35分）
第一节：语法和词汇知识（共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. Having __________ no-meat day would be a good way of encouraging ___________ low carbon life-style.
A. a; the B. a; a C. the; the D. the; a