Suddenly a man 40 out of the woods, an Indian who had been hunting in the area. Seeing the engineer's 41 , he caught a fish in a nearby 42 and fed the sick man the 43 of the fish and some flesh from its head. 44 within a few hours the engineer's pain was 45 . A day later he could 46 again, and the next day he had 47 recovered.
When he returned home, the engineer told the 48 to Dr Price. 49 years later did it become a(n) 50 fact that this was just an everyday lifeguard doing its work. For what the engineer did, by eating fish eyes, was to 51 vitamin (����).
Vitamin A's biggest job is to keep the eyes 52 . Without Vitamin A, people and animals get night blindness and other eye problems. Without Vitamin A, people can even be totally blind. Vitamin A helps to keep the skin in good 53 . A also helps 54 bones and teeth and has something to do with proper 55 of blood cells.
1.A. hopeless B. useless C. careless D. timeless
2.A. lost B. losing C. hunting D. working
3.A. disaster B. illness C. pain D. heat
4.A. good B. bad C. best D. worst
5.A. reached B. appeared C. hid D. watched
6.A. starvation B. trouble C. reality D. situation
7.A. pond B. stream C. place D. sea
8.A. tail B. skin C. eyes D. bone
9.A. Possibly B. Immediately C. Fortunately D. Surprisingly
10.A. gone B. shown C. settled D. disappeared
11.A. speak B. see C. walk D. work
12.A. completely B. naturally C. partly D. physically
13.A. news B. result C. secret D. story
14.A. Unless B. After C. Not until D. When
15.A. recognized B. accepted C. solved D. explained
16.A. keep B. bring C. take D. try
17.A. working B. rolling C. moving D. going
18.A. place B. order C. shape D. sense
19.A. from B. by C. about D. with
20.A. type B. growth C. choice D. size
------Have you telephoned your father? ------- Yes. He ______back next year.
A. is expected B. expects
C. will expect D. will be expected
------What do you think of the opinion?
------ None has given me______ piece of advice.
A. a better B. the better C. a best D. the best
Why________ you always leave your dirty clothes in the bedroom?
A. need B. must C. can D. shall
“ Have you ever been to Beijing?” “No, but I wish I________.”
A. have B. will C. do D. had
He felt______ duty to work for human rights and progress.
A. it his B. his C. that is a D. it is his