Although international travel is usually an ( 1 ) and pleasant experience, travellers should take steps to ensure that their health does not suffer either ( 2 ) their time ( 2 ) the air or ( 2 ) their time abroad. Before you go, check with your doctor or local travel clinic ( 3 ) injections are necessary for the areas you are travelling ( 4 ) . Allow sufficient time to have these injections before you ( 5 ) because they may take time to become effective. Be sure that the information on health is up-to-date. Check on the Internet if you are not sure. Don't go to bed late the day ( 6 ) you fly. Your body has a natural daily sleep pattern. It takes time to adjust to a new time zone. There are many different ( 7 ) of jet lag: you may not be able to sleep, you may not want to eat or you may feel sick and tired. You may not be able to concentrate for some days after you arrive. There are several things you can do to ( 8 ) the effects of jet lag: - Do your ( 9 ) to relax during the flight- Sleep as much as you can on the flight. Use a mild sleeping pill if necessary- Drink as much water as you can- Don't drink alcohol and caffeine- Take mild sleeping pills ( 10 ) the first few days in the new time zone if you need them.

(1).A、excited

B、exciting

C、unexcited

D、unexciting

(2).A、of…on…of

B、of…in…of

C、from…on…from

D、from…in…from

(3).A、where

B、- (不填)

C、which

D、that

(4).A、- (不填)

B、in

C、to

D、at

(5).A、will leave

B、is leaving

C、leave

D、have left

(6).A、after

B、in

C、on

D、before

(7).A、effects

B、effect

C、affect

D、affects

(8).A、short

B、shorten

C、less

D、lessen

(9).A、good

B、better

C、best

D、most

(10).A、at

B、for

C、of

D、on