Carbon 10 would need to be cut drastically from current levels. Yet almost all of the subjects in scientists’ study failed to realize that, assuming instead that you could 11 carbon concentration simply by 12 carbon emissions at their current level. That's not the case - and in fact, pursuing such a plan for the future would 13 guarantee that global warming could 14 out of control. It may seem to many like good common 15 to wait until we see proof of the serious damage global warming is doing 16 we take action. But it's not - we can't "wait and see" on global warming 17 the climate has a momentum all its own, and if we wait for decades to finally act to reduce carbon emissions, it could well be too 18 . Yet this simply isn't understood. Someone as smart as Bill Gates doesn't seem to get it. "Fortunately climate change, although it's a huge 19 , it happens over a long period of time," he said at a forum in Beijing last year. "You know, we have time to work 20 it." But the truth is we don't.
1. A. conceptions B. receptions C. exceptions D. deceptions
2. A. familiar B. dealt C. compatible D. complied
3. A. increasingly B. decreasingly C. gradually D. definitely
4. A. position B. occasion C. priority D. situation
5. A. advocate B. provocation C. invocation D. vocation
6. A. up B. off C. with D. out
7. A. compact B. inflect C. impact D. reflect
8. A. dilemma B. circumstance C. difficulty D. status
9. A. sense B. selection C. severity D. separation
10. A. commission B. remission C. omission D. emission
11. A. utilize B. stabilize C. specialize D. fertilize
12. A. covering B. capping C. constraining D. detaining
13. A. virtually B. eventually C. vitally D. appropriately
14. A. stun B. stint C. spin D. string
15. A. sensibility B. sensitivity C. sense D. sensation
16. A. when B. as C. after D. before
17. A. although B. because C. even D. and
18. A. early B. late C. latter D. earlier
19. A. chance B. change C. challenge D. chase
20. A. for B. in C. to D. on
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