[填空题]It is surprising that so many tour organisations decided to become involved in ecotourism.

[简答题]I was not ____ by his many arguments so finally we agreed to differ.
A. A．convicted
B．assured
C．convinced
D．concerned

[单项选择]Many scientists are so convinced of the benefits of challenging the brain that they are putting it into practice in their lives（）
A. 许多科学家都确信，在他们的生活中，经常练习挑战大脑，就会带来效益。
B. 许多科学家都对勤于动脑的益处确信不移，他们在自己的生活中也努力实践着。
C. 许多科学家都如此确信挑战大脑会带来利益，他们的实际生活证实了这一点。
D. 许多科学家都相信，他们生命中所实践的就是对人的大脑挑战，这种挑战是有益的。

[单项选择]
How many cyclists will take part in the tour

[单项选择]第三篇Why So Many Children In many of the developing countries in Africa and Asia, the population is growing fast. The reason for this is simple: Women in these countries have a high birth rate — from 3.0 to 7.0 children per woman. The majority of these women are poor, without the food or resources to care for their families. Why do they have many so children Why don’t they limit the size of their families The answer may be that they often have no choice. There are several reasons for this. One reason is economic. In a traditional agricultural economy, large families are helpful. Having more children means having more workers in the fields and someone to take care of the parents in old age. In an industrial economy, the situation is different. Many children do not help a family; instead, they are an expense. Thus, industrialization has generally brought down the birth rate. This was the case in Italy, which was industrialized quite recently and rapidly. In the early part of the twenti
A. families often become larger.
B. women usually decide not have a family.
C. the birth rate generally goes down.
D. the population generally grows rapidly.

[单项选择] So Near and Yet So Far
In many examinations, 90% is an excellent score, deserving a prize and a handshake from the headmaster. In Geneva this week, only full marks would do, and the world’s trade ministers failed. No matter that they came closer to a deal than anyone should have expected. No matter that they stuck at it for nine days and several nights, in the longest ministerial meeting in the history of the World Trade Organization (WTO). No matter, too, that this time they parted in stunned disbelief, heads shaking, rather than in acrimony(刻薄), quarrel and spite, as at Cancun in 2003. They managed "convergence" on 18 of the 20 topics set before them by Pascal Lamy, the WTO’s director-general, but they stumbled on the 19th, a device for protecting farmers in developing countries against surges in imports. They never reached the 20th, cotton. Failed.
You can construct a plausible argument that the collapse of yet anoth
A. nine days
B. ten days
C. eighteen days
D. twenty days

[填空题]The room is so small that it cannot hold so many people.
The room is ______ small ______ hold so many people.

[填空题]There are many historic mysteries, so figuring out good subject is not a difficulty.

[简答题]Many people have become so addicted to online shopping that they _________________(情不自禁每天都要访问购物网站).

[填空题]You have produced so many famous animation characters..__________________(那么你认为一部成功的动画片应该具备哪些要素呢)