下列运用等式的性质对等式进行变形，正确的是（　　）

    Teenagers can make money to buy things for themselves if they have one or two part-time jobs, which is good for them, of course. However, there're ____(many) teenagers volunteering than having part-time jobs now. A recent survey ____(show) that 56% of teenagers volunteer to help charities, while only 39% ____(take) part-time jobs to make money. Parents also say that 82% of teenagers do something to help others in their lives.

    Sara Johnson,  ____ teacher at a high school in Chicago, realizes that teenagers are more ____ (interest) in joining in charities. She said, “I think that kids are realizing how ____ (importance) it is.” She believes that the teenagers in the younger generation do more in charities than her generation ____(do).Unlike other public high schools, Illiana Christian High School doesn't often ____(ask) its students to do public services, ____ most of its students still volunteer. Suzanne Hammer, a junior, said, “I don't understand why you don't take part in voluntary____ (activity) if you can. I think everybody should try to help others.

为划线处选择恰当的句子，使上下文衔接（   ）

这是一个秋季的薄阴的天气。________；岩面和草丛都从润湿中透出几分油油的绿意。而瀑布也似乎分外的响。

阅读下面课外古诗，回答各题。

 雨晴

【唐】王驾

雨前初见花间蕊，雨后全无叶底花。

蜂蝶纷纷过墙去，却疑春色在邻家。

材料：“特区是个窗口，是技术的窗口，管理的窗口，知识的窗口，也是对外政策的窗口。”