1 . Assess its ________________ (strengthen) and weakness. Raise objections (异议) and listen carefully to their replies. This method will require effort, but practice will make you better at it. (所给词的适当形式填空)

2 . So many of us have the belief that being comfortable is the only state we will tolerate, and when we experience something outside of our comfort zone, we get impatient about the   ________ (circumstance). (所给词的适当形式填空)

3 . Variety in diet and toys, travel, and ________ (expose) to new people and places all help to make your bird more flexible and adaptable to change. (所给词的适当形式填空)

4 . Playing together also helps these kids practice social ________________ (behave), such as kindness, sharing, and cooperation. (所给词的适当形式填空)

5 . 古埃及属于世界四大文明古国，其金字塔是世界八大建筑奇迹之一。(定语从句)
Ancient Egypt belongs to ________________ in the world, ________________ in the world.

6 . As you know, China is one of the four ancient ________ (civilise) with more than 5,000 years of history and countless profound (博大精深的) cultures. (所给词的适当形式填空)

7 . With gas prices rising and airport ________ (secure) lines snaking longer than ever, why not book your next domestic vacation on a train? (所给词的适当形式填空)

8 . 在政府的引导下，街头小摊再次在全国范围内流行起来。
________________, street stand is gaining its popularity again nationwide.

9 . 现在越来越多的人意识到我们不应该以牺牲环境为代价来发展经济这一事实。(应用文之环境保护)
Nowadays more and more people have come to realize the fact that we shouldn’t develop economy ________________．

10 . 不过他们的成功之路仍然漫长而艰难，一路上会遇到许多挑战。
________________ is however still a long and difficult one, ________________．