题目内容
18．The train was late，____we had to wait for half an hour．（ ）| A． | because | B． | or | C． | so | D． | but |
分析 火车晚点了，所以我们不得不等半个小时．
解答 答案：C；because因为；or否则；so所以；But但是．because和so都可以引导原因状语从句，because只能放在句子中间，在它之前的是结果，后面的是原因．so做所以解释时也是放在句子中间，在它之前的是原因，后面的是结果．根据句意，"火车晚点了，我们不得不等半个小时"可知该句为原因状语从句；因为"we had to wait for half an hour"是结果，故用so连接；故选C．
点评 根据句中信息推测出该句的句意是解答此题的关键；还要对给出的四个连词进行分析和比较，从而作出正确解答．
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3．
Young people are often （81）unhappywhen they are with their parents．They say that their parents don't understand them．They often think their parents are too strict with them．?
Parents often find it difficult to win their （82）children's trust，and they seem to forget（83）howthey
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For example，young people like to do things（84）withoutmuch thought．It's one of their ways to show that they grow up and they can solve any difficult problem．But older people always think （85）morethan young people．Most of them plan things ahead and they don't like their plans to be corrected，so when you want your parents to let you do something，you should ask your parents first，then you will succeed（86）easily．?
Young people often make their parents angry by the clothes they wear，the music they enjoy and something else．But they don't mean to cause any trouble．They just want to be cut off （摆脱） from the old people's world and they are （87）tryingto make a new culture of their own．And if their parents don't like their music or clothes or their ways of speech，the young people feel very sad．Sometimes instead of （88）going out with their parents，they just feel like staying at home alone and do what they like．?
If you plan to do something，you'd（89）bettertalk with your parents and get them to understand you，if so，your parents will certainly let you do what you want （90）to do．
| How easy go out try much do unhappy child better without |
Parents often find it difficult to win their （82）children's trust，and they seem to forget（83）howthey
felt when they were young．?
For example，young people like to do things（84）withoutmuch thought．It's one of their ways to show that they grow up and they can solve any difficult problem．But older people always think （85）morethan young people．Most of them plan things ahead and they don't like their plans to be corrected，so when you want your parents to let you do something，you should ask your parents first，then you will succeed（86）easily．?
Young people often make their parents angry by the clothes they wear，the music they enjoy and something else．But they don't mean to cause any trouble．They just want to be cut off （摆脱） from the old people's world and they are （87）tryingto make a new culture of their own．And if their parents don't like their music or clothes or their ways of speech，the young people feel very sad．Sometimes instead of （88）going out with their parents，they just feel like staying at home alone and do what they like．?
If you plan to do something，you'd（89）bettertalk with your parents and get them to understand you，if so，your parents will certainly let you do what you want （90）to do．
