Read the following text.Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.( 10 points )
Most people who travel long distance complain of jetlag. Jetlag makes business travelers less productive and more prone1making mistakes. It is actually caused by2of your “body clock”—a small cluster of brain cells that controls the timing of biological3. The body clock is designed for a4rhythm of daylight and darkness, so that it is thrown out of balance when it5daylight and darkness at the “wrong” times in a new time zone. The6of jetlag often persist for days7the internal body clock slowly adjusts to the new time zone.
Now a new antijetlag system is8that is based on proven9pioneering scientific research. Dr. Martin MooreEde had10a practical strategy to adjust the body clock much sooner to the new time zone11controlled exposure to bright light. The time zone shift is easy to accomplish and eliminates12of the discomfort of jetlag.
A successful time zone shift depends on knowing the exact times to either13or avoid bright light. Exposure to light at the wrong time can actually make jetlag worse. The proper schedule 14 light exposure depends a great deal on15travel plans.
Data on a specific flight itinerary and the individuals sleep16are used to produce a Trip Guide with17on exactly when to be exposed to bright light.
When the Trip Guide calls18bright light you should spend time outdoors if possible. If it is dark outside, or the weather is bad,19you are on an aeroplane, you can use a special light device to provide the necessary light20for a range of activities such as reading, watching TV or working.
1. A. fromB. of C. forD. to
2. A. eruptionB. disruptionC. ruptureD. corruption
3. A. actionsB. functionsC. behaviorD. reflection
4. A. formalB. continualC. regularD. circular
5. A. experiencesB. possessesC. encounters D. retains
6. A. signs B. defectsC. diseasesD. symptoms
7. A. ifB. whereasC. whileD. although
8. A. agreeableB. availableC. adaptableD. approachable
9. A. extensive B. tentativeC. broad D. inclusive
10. A. devised B. scrutinizedC. visualizedD. recognized
11. A. inB. asC. atD. through
12. A. moreB. littleC. most D. least
13. A. shed B. retrieve C. seek D. attain
14. A. inB. forC. on D. with
15. A. specificB. complicatedC. uniqueD. peculiar
16. A. modeB. style C. norm D. pattern
17. A. directoriesB. commentaries C. instructions D. specifications
