The ice roads of Canada's far north are only made of ice that spreads for many miles across nothing but open,frozen lakes. The 1 that truckers bring to these barely-accessible areas are always extremely important to the mines there. If an important piece of machinery does not get 2 , the company will have to 3 eight months for the next delivery to be sent,because the ice roads are only 4 for 3-4 months of the year. After that,they become 5 as the ice thickness feegins to thin in places.

   Driving on the ice roads isn’t a(n) 6 that every truck driver can do,though. Most drivers who try this sort of work 7 at the first sound of the ice cracking under the great 8 of their trucks. Others make it across the frozen ice to their destination but decide the 9 for them isn't worth the money,10 even the slightest mistake or fault in the road could cost a driver his / her life.

   The trucks all travel in groups at a slow and 11 pace,and keep the same distance from each other to reduce the chance of a(n) 12,but if a truck has to 13 for any length of time a major disaster could occur. The 14 is not able to bear the pressure of a constant weight in one spot,and if a truck breaks down,it is a race against 15 to get it moving again. If a truck does break through the ice and 16 ,a trucker has less than a minute to get out of the icy water before he 17 .

   Dianne Rowland,18 of an ice road trucker,said she would not let her husband go again 19 she saw a television series that told the story of ice road truckers. Their three daughters 20 their mother.

1. A. workers   B. materials   C. foods   D. drinks

2. A. finished   B. made   C. designed   D. delivered

3. A. spend   B. save   C. wait   D. kill

4. A. usable   B. valuable   C. acceptable   D. suitable

5. A. disappointing   B. different   C. disturbing   D. dangerous

6. A. job   B. offer   C. interest   D. journey

7. A. stay around   B. stay up   C. turn around   D. turn up

8. A. height   B. weight   C. speed   D. size

9. A. pain   B. trouble   C. distance   D. stress

10. A. because   B. when   C. until   D. but

11. A. relaxed   B. steady   C. gentle   D. careful

12. A. event   B. mistake   C. accident   D. change

13. A. repair   B. move   C. continue   D. stop

14. A. ice   B. truck   C. space   D. destination

15. A. money   B. energy   C. time   D. courage

16. A. disappear   B. sink   C. tremble   D. crash

17. A. dies   B. returns   C. tries   D. drives

18. A. friend   B. daughter   C. mother   D. wife

19. A. before   B. although   C. after   D. while

20. A. listened to   B. agreed with   C. pointed to   D. talked with

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