Variant 1 You could have come first and won the race if you … faster

24. According to the text, the primary cause of the charge in the storm cloud is ...
A) crystals B) unexplored C) collision D) snowflakes
25. It has been recently discovered that positive charge appears ...
A) on the earth. B) from the winds. C) in the air around the channel. D) at the bottom of the cloud.
26. According to the text, the earlier investigation shows that the negative charge is created from ...
A) the friction of water and ice-laden clouds. B) the explosion of hot and cold air
C) the fifty thousand degree current air. D) the channel of electricity.


Everyone agrees that unless the world’s tiger population is protected, tigers will eventually become extinct. If it were not for the efforts made by international campaigns over past decades, the extinction would already have become a fact. Tigers can coexist with human beings provided local people are involved in conservation. However, even if tiger habitats are redeveloped there is no guarantee of success. Government agencies must be involved, and there must be adequate finance: otherwise conservation projects are neglected. An organized programme with safeguards must be introduced. If not the illegal hunters quickly move back in. Supposing there were no tigers left in the world: how would we all feel? According to some environmentalists, that day may be coming sooner rather than later.
27. According to the passage, no one can deny that ... .
A) International campaigns didn’t attempt to protect tigers
B) Nobody is going to guarantee to redevelop locations for tigers
C) Local people are providing tigers with all necessities
D) If we don’t keep tigers safe from loss, finally they will die out
28. According to the text, all of the following statements are TRUE EXCEPT:
A) But for international campaigns’ hard work, tigers would have been wiped out.
B) If local people are afraid of protection, there is a possibility of people’s and tigers’ living at the same time.
C) In order to carry out tiger saving projects, it is essential to have enough investment.
D) Only the improvement of the areas that are in bad condition for tigers’ living can sort out this issue.