Jack was being _________ and refusing to agree with anything we said.

A. persevere
B. perceive
C. perverse
D. preserve

According to the new law, all drivers and passengers must ___________when driving.

A. tally up
B. bang up
C. buckle up
D. take up

He ____________ fail the exam if he doesn’t do any revision.

A. is bound to
B. is able to
C. is capable to
D. is typical to

The research shows that a young man is ____________ to be involved in a severe crash than is a middle-aged woman.

A. 100 more times likely
B. likely 100 more times
C. more likely 100 times
D. 100 times more likely

Part of the problem is that we only see the issues as ____________.

A. in black and white
B. black and white
C. black-and-white
D. blacks and whites

The accident victim died before the ambulance arrived ____________.

A. in the scene
B. on the scene
C. behind the scene
D. after the scene

He told me he should have been more careful, but that it would __________.

A. make a difference
B. make all the difference
C. make no difference
D. make any difference

If you __________ it steadily, you should win through in the end.

A. work against
B. work out
C. work in
D. work on

A mass movement against forced labor __________ the state.

A. spread through
B. spread up
C. spread out
D. spread of

(请在相应题号后填上代表正确选项的大写字母A、B、C、D)Risk compensation is the idea that individuals tend to adjust their behavior in response to what they perceive as changes in the level of risk. Imagine, what would happen if safety regulation 1 require all cars to be made of cardboard，fitted with 2 brakes md with a sharp spike in the center of the steering column；if all roads were 3 a substance having the same friction coefficient as ice，and if all drivers were 4 to change every other month or，better yet. If there were no rules about which side of the road to drive on. The 5 suggests that there would be no increase，and possibly a decrease, in road accident fatalities, but there would be a 6 in the efficiency of the road transport system. It seems that the 7 safety benefit of most improvements to roads or vehicles is 8 as a performance benefit. As a result of safety improvements it is now 9 to travel farther and faster with approximately 10 risk of being killed.1. A. were toB. willC. shouldD. are to2. A. insufficient B. inefficient C. insignificant D. inconvenient3. A. built byB. paved with C. polished with D. cleared by4. A. testedB. employed C. assigned D. obliged5. A. evidenceB. interviewC. resultD. reality6. A. concrete numberB. substantial decrease C. sharp increaseD. gradual change7. A. resultedB. followingC. potentialD. actual8. A. considered B. consumedC. conducted D. confused9. A. rationalB. imaginableC. incredible D. possible10. A. littleB. the estimated C. the same D. the ten times