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多平台PDF阅读标注方法如果你平时有需要阅读PDF文档的，需要有多平台同步，标注，高亮等需求，这个方案说不定还蛮适合你的。 如果你平时没有阅读PDF的需求，那么下面开始...
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Lesson53 Hot snake 触电的蛇
课文 At last firemen have put out a big forest fire in California. Since t...
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数学一考研大纲
2017年考研数学一大纲原文 考试科目：高等数学、线性代数、概率论与数理统计 考试形式和试卷结构 一、试卷满分及考试时间 试卷满分为150分，考...
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Lesson52 A pretty carpet 漂亮的地毯
课文 We have just moved into a new house and I have been working hard all ...
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Lesson51 Reward for virtue 对美德的奖赏
课程 My friend, Herbert, has always been fat, but things got so bad recent...
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Lesson50 Taken for a ride 乘车兜风
课文 I love travelling in the country, but I don't like losing my way. I w...
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新二重点词汇讲解2
**wonder **wonder ['wʌndə] / wander ['wɒndə]wonder：想知道I was wondering w...
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Unit2 Review
必背句子 I not only spoke English very carefully, but very clearly as well. ...
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Lesson48 Did you want to tell me something? 你想对我说什么吗？
课文 Dentists always ask questions when it is impossible for you to answer...