初二英語作文怎么寫

1.Twin Sisters

twins are supposed to be alike, are they not? well, the twin sisters, lanlan and miaomiao do look alike. some of the time when they are both dressed up, which is not often, or when they go to the beach, which is not really often either, people recognize the likeneof their features. however, they like very different styles of clothes. lanlan prefer informal clothes, but miaomiao dresses like a model, always wearing the latest fashions.

they have very similar temperaments in most ways. lanlan does not get angry easily, enjoys being around people of her own age, finds young children a little irritating, and would rather spend time at a party than in a library. in these respects miaomiao feels the same. but miaomiao likes loud music and modern dances, while lanlan finds that nightclubs give her a headache. miaomiao is always with friends, and is a favorite with all the teachers, whereas lanlan prefers to be alone at times, and does not really try to impreher teachers.

they have tried to live in the same room several times, and even agreed on the color they liked best and the kind of furniture they wanted. but lanlan likes to keep things neat and tidy, while miaomiao acts as if there were a servant around to pick up all the things that get thrown on the floor or over the edge of the chair or into the bathtub. lanlan likes to go to bed early and get up early. in contrast miaomiao does not seem to have any definite habits, often goes to bed very late, and then wants to sleep late the next day when lanlan wants to get the day started.

2.presently, the world is faced with serious water problems. but these problems witt become more intense and more complex in the future. our increasing population witt tremendously increase urban waters, primarily sewage. on the other hand, increasing demands for water witt decrease substantially the amount of water available for diluting wastes.

rapidly expanding industries which involve more and more complex chemical processes will produce large volumes of liquid wastes. many of thesewitt contain chemicals that are poisonous. to feed our rapidly expanding population, agriculture will have to be intensified.

this will involve ever increasing quantities of agriculture chemicals. from this, it is apparent that drastic steps must be taken immediately to develop corrective measures for the pollution problems.

there are two ways by which these pollution problems can be lessened. the first relates to the treatment of wastes to decrease their pollution hazard. this involves the processing of solid wastes "prior to" disposal and the treatment of liquid wastes to permit the reuse to the water or best reduce pollution upon final disposal.

the second approach is to develop an economic use for all or part of the wastes. farm manure is spread in fields as a nutrient. wastes from sewage disposal plants are used in some areas both for irrigation and for the nutrients contained.

liquid wastes from other processing plants may also be used as a supplemental source of water. only by doing these promptly now can we expect to solve the serious water problems in the future.

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