7.　　　　 Our farm ______(供给) the market with fruits and vegetables.

6.　　　　 At that time, mixed-race marriages were f______ by law.

5.　　　　 India gained ______(独立) from Britain in 1947.

4.　　　　 The morning paper _______(宣布) the death of Mr. Smith.

3.　　　　 The houses are sold out within this price ______(范围).

2.　　　　 .Zhongguancun has had a positive e______ on bussiness as well as science.

1.　　　　 He did not ______(犹豫) to ask her to sit beside him.

A: Can you tell me something about the Earth Summit?

B: Yes. It’s a meeting held by the UN to discuss e____1____ issues.

A: When and where was the l____2____ Earth Summit held?

B: In Johnnesburg in 2002.

A: What was the main t___3____ of the summit?

B: Sustainable d_____4______.

A: What did e____5____ from all over the world discuss in Johnnesburg.

B: They discussed the three biggest k___6___ in the world: contaminated drinking water, poor sanitation and air p___7____.

A: What else did many speakers speak about at the meeting?

B: They also spoke about poverty, war and violence.

A: Why are c___8____ like the Earth Summit important?

B: Because they help us understand that there exist serious p___9___ facing the earth and that only by c___10___ the way we live can we save the earth.