学位英语

阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选

项中选择1个最佳答案，涂在答题卡相应的位置上。

Healthy Food

Street sellers,particularly in developing countries,supply large amounts of

food _____(1) people on low incomes.This sector (部门) also employs some 6-25%

of the work force,mainly women,in developing countries,and provides markets for

agricultural and other produce.In many countries,_____(2),the authorities are

not willing to recognize it as a formal sector of the food _____(3) system;

they may ignore it in food control programs or even try to put an end to _____

(4).

There are two possible contaminants (污染物):pathogenic (病原) micro-organisms

(微生物) _____(5) harmful chemicals.As _____(6) as micro-organisms are

concerned,there is apparently no convincing evidence that street foods are more

involved in the transmission of infection than foods obtained

in,e.g.hotels.Studies in Egypt and elsewhere have found street foods to compare

not unfavorably with hotel _____(7) in respect of contamination with micro-

organisms - some street foods were found to be contaminated with pathogens (病

原菌),but so were foods from four,and five-star _____(8) in the same area.

Harmful chemicals have been found in street foods,and food exposed for sale on

roadsides,may become _____(9) by lead from vehicle exhausts.

Health dangers may arise from:purchase of raw materials of _____(10) quality;

improper storage,processing,and cooking,leading _____(11) reuse of water;

limited piped drinking-water; lack of refrigeration (冷藏); unsatisfactory

waste-disposal facilities; and personal cleanliness.

The authorities should _____(12) into account the potentials of different

categories of food for transmitting disease,and should set appropriate

standards of control for the different categories - sellers of bottled drinks

require less control than those of food.Dry foods,dried grains,and sugared

foods are _____(13) likely to transmit disease than cooked rice,low-acid

milk,egg,and meat products._____(14),foods which are thoroughly cooked and

eaten at _____(15) are safer than precooked food kept at high temperatures for

several hours.

1 A.for B.on C.by D.at

2 A.but B.however C.besides D.moreover

3 A.choice B.processing C.supply D.production

4 A.them B.those C.him D.it

5 A.and B.or C.but D.yet

6 A.soon B.far C.much D.many

7 A.services B.kitchens C.hygiene D.foods

8 A.hotels B.houses C.buildings D.generals

9 A.supported B.enriched C.contaminated D.washed

10 A.heavy B.clear C.high D.poor

11 A.to B.about C.from D.around

12 A.use B.think C.take D.work

13 A.highly B.never C.not D.less

14 A.Certainly B.Interestingly C.Surprisingly D.Similarly

15 A.once B.twice C.call D.work

参考答案：ABCDA BDACD ACDDA

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