题目内容：

A Call to Action

We are here today because we want to stop global warming. Like me, you are trying hard to ________ your own personal carbon footprint. And these small, _____ changes do have an impact, do help ________our carbon emissions.

But it is not________ for individuals to change. We need governments to change. We need industry to change. We need big changes if we want to prevent global warming ________ destroying our planet.

One third of our global carbon emissions---35 percent---comes from_____ electricity. As a result, we need government and industry to work together to lower these ________, more importantly, to develop new, cleaner technology to heat our homes,________ our factories, and to keep lights ________.

Another 20 percent, 20 percent of our emissions comes from transportation. _____, We need government and industry to work together to build more energy _______ cars and trucks. Good ________ public transportation will allow us to ________ our cars and the pollution they produce forever.

Another 20 percent of all emissions comes from industry---our factories and businesses. They ________ tons upon tons of carbon into the air every_____minute. It is time to say enough! We need these businesses to lower their own_____ carbon footprints.

So my ________to you today is: keep trying to reduce your personal carbon footprint. But also stand up, stand up and ________ that government and industry do their ________, because that is what will make a _______ .

1.A. increase B. decrease C. fall D. dominate

2.A. individual B. public C. collective D. united

3.A. promote B. undertake C. lower D. assist

4.A. fair B. tough C. rough D. enough

5.A. to B. with C. from D. on

6.A. generating B. creating C. completing D. differentiating

7.A. admissions B. permissions C. emissions D. transmissions

8.A. make B. power C. destroy D. maintain

9.A. out B. within C. beyond D. on

10.A. Therefore B. However C. Nonetheless D. Besides

11.A. primitive B. hazardous C. uneven D. efficient

12.A. commercial B. polluted C. quality D. fragile

13.A. get rid of B. count on C. do damage to D. get exposed to

14.A. assault B. release C. diminish D. spray

15.A. few B. single C. another D. each

16.A. flammable B. vocational C. personal D. recreational

17.A. data B. information C. news D. message

18.A. convert B. demand C. digest D. renew

19.A. part B. role C. standard D. characteristics

20.A. living B. point C. deal D. difference