第二部分英语知识运用（共两节, 满分35分）
第一节 单项填空（共15小题；每小题1分，满分15分）
请认真阅读下面各题，从题中所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
21. The “Chinese Dream” is ______ dream to improve people’s well-being and ______ dream of harmony, peace and development.
A. the; a B. a; a C. a; the D. the; the
22. As the world’s population continues to grow, the ______ of food becomes more and more of a concern.
A. worth B. supply C. back pack D. list
23. Everything seemed to be going ______ for the first two days after I moved to New York.
A. ordinarily B. generally C. frequently D. smoothly
24. If parents have children help with housework, the children will feel needed. , they will learn to take care of themselves.
A. On the whole B. In a word
