24．This photo of mine was taken ____ stood the famous tower．

The report shows that we’re making some progress but ______ we need to make greater efforts.

35. Everyone has periods in their lives ______ everything seems very hard.

31. Stronger and more lasting memories are likely to be formed ________a person is relaxed.

22.Some people are worrying about the possibility ________ cellphones could be responsible for a range of illnesses, from rashes to brain tumors.

35．---Are my clothes too casual?
---No. You can go__________you are.

30．QQ,______you can chat with your friends, makes communication easy.

26．______life began on the earth is one of the biggest puzzles to scientists.

第二部分：知识运用（共两节，45分）
第一节 单项填空（共15小题；每小题1分，共15分）
从每题所给的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．Please turn down the music, _______our neighbors next door will be disturbed.
A．and B．or     C．but    D．So

34．Wow! Look at the man and his horse ________are running down the road.
A．which                 B．that                    C．who                       D where