1、 Economists are interested in all the factors that can help to（ ）the extent to which a price change will affect supply and demand in the market.

2、 The mayor decided to（ ）his speech in order to leave enough time for his audience to raise questions.

3、 Researchers put patients through a set of psychological tests to determine the negative consequences of sleep（ ）.

4、 Moving forward even in the face of great difficulties has become my most important（ ）in my life since it has helped me accomplish something remarkable.

5、 To help the employees be more communicative,the company is offering workshops for those who may be professionally（ ）but socially awkward.

6、 Most parents, in fact, aren't very helpful with the problems that their sons and daughters have in（ ）to their college life.

7、 In short, participation in sports is extremely（ ）for college students not only physically but also emotionally and socially.

8、 It is the development strategy of the company to（ ） its overseas expansion in order to take a slice of the world market.

9、 Nearly six million people go to see the Mona Lisa every year, attracted by the（ ）of her smile. When you're not looking at her, she seems to be smiling; when you looking at her, she stops.

10、 There is a real need to（ ）academic achievement in schools and help with the development of a student's overall character.

11、 Being a single parent, there is no way for her to（ ） the time and energy she has devoted to her children for the past 10 years.

12、 It is essential that you start by listening because one of the main（ ）teenagers and their parents face in forming positive relationships is that neither listens to the other.

13、 Not until recently have we realized that the increasing world population may lead to a potential gloomy（ ）for humanity:starvation.

14、 Ernest Hemingway’s keen insight into his society, ardent love for people and perceptive abilities helped him to form hís own（ ）characteristic of writing.

15、 It's not unusual for teenagers to go through a(n) （ ） when they feel ashamed of their parents, afraid that they might not live up to their friends' standards.

16、 十五选十第五单元

17、 Starting Monday, all foods（ ） “organic”must be up to the strict national standards that the government decided to put into effect now.

18、 Apart from technological development, the 20th century（ ）an enormous worldwide political, economic and cultural transformation.

19、 The change in smoking habits（ ）a change in the incidence of lung cancer. The more people smoke, the more chances of occurrence for lung cancer.

20、 Whenever my boss makes a decision that I don't agree with,I tell him what I really think, though it's （ ）to make him happy by telling him his ideas are always right.

21、 A number of countries are （ ）their efforts to send out food to the area worst affected by the flood.

22、（简答题） 中国愿同各国一道，共建开放型世界经济，让开放的春风温暖世界！

23、（简答题） 构建新发展格局，我们是有显著制度优势和坚实改革基础的。

24、（简答题） 规范和引导资本健康发展是党领导经济工作的重要内容。

25、（简答题） 共同富裕是中国特色社会主义的本质要求。

26、（简答题） 创新不问出身，英雄不论出处。

27、（简答题） 构建新发展格局最本质的特征是实现高水平的自立自强。

28、（简答题） 构建新发展格局必须坚定不移贯彻新发展理念。

29、（简答题） 十五选十第三单元