孪生姐妹

【内容提示】

兰兰和苗苗是一对孪生姐妹。她们的相貌很像，但穿戴各有所好；她们的气质很相似，爱和她们的年龄同样大小的年轻人在一起玩，讨厌小孩子；爱参加舞会，不爱进图书馆。但是，苗苗喜欢音乐和现代舞，而兰兰一进夜总会就头疼；苗苗喜欢和朋友、老师在一起，而兰兰喜欢独处。她俩多次想住在同一个房间，而且对颜色和家具也有同样的爱好。但是，兰兰喜欢整齐、条理，而苗苗总是乱丢东西；兰兰喜欢早睡早起，苗苗则没有规律，忽而早，忽而晚。

【作文示范】

Twin Sistrs

Twins ar supposd to b alik, ar thy not? Wll, th twin sistrs, Lanlan and Miaomiao do look alik. Som of th tim whn thy ar both drssd up, which is not oftn, or whn thy go to th bach, which is not rally oftn ithr, popl rcogniz th liknss of thir faturs①.Howvr, thy lik vry diffrnt styls of cloths. Lanlan prfr informal cloths, but Miaomiao drsss lik a modl, always waring th latst fashions②.

Thy hav vry similar tmpramnts in most ways. Lanlan dos not gt angry asily, njoys bing around popl of hr own ag, finds young childrn a littl irritating③, and would rathr spnd tim at a party than in a library. In ths rspcts Miaomiao fls th sam. But Miaomiao liks loud music and modrn dancs, whil Lanlan finds that nightclubs④giv hr a hadach. Miaomiao is always with frinds, and is a favorit with all th tachrs, whras Lanlan prfrs to b alon at tims, and dos not rally try to imprss hr tachrs.

Thy hav trid to liv in th sam room svral tims, and vn agrd on th color thy likd bst and th kind of furnitur thy wantd. But Lanlan liks to kp things nat and tidy, whil Miaomiao acts as if thr wr a srvant around to pick up all th things that gt thrown on th floor or ovr th dg of th chair or into th bathtub⑤. Lanlan liks to go to bd arly and gt up arly. In contrast Miaomiao dos not sm to hav any dfinit habits, oftn gos to bd vry lat, and thn wants to slp lat th nxt day whn Lanlan wants to gt th day startd.

【词语解释】

①fatur [＇fi:t>M+]n．（复数）面貌；相貌

②latst fashion[＇litist ＇f$M+n]最新流行式样

③irritating[＇irititiR] a．引起不愉快的

④nightclub[＇naitl)b] n．夜总会

⑤bathtub[＇b%:It)b] n． 浴缸；澡盆

【写法指要】

1）本文每个段落都是用异同型（samdiff pattrn）组织起来的，先写二者相同点，后写二者的不同点。谈到不同点时，每一段用的都是交替型（ssaw pattrn），先说A，后说B，或先说B后说A。

2）用上述方式写对比型说明文时，作者多用表示相反或对照的衔接词（advrsativs），如本文中用到的“howvr, but, whil, whras, in contrast”等，使段落和全文的语义连贯。