题目内容
7．我们一直忙于准备今天的考试．We arebusypreparing fortoday's exam all the time．
分析 busy； today's．
解答 答案：busy； today's．考查汉译英．句意：我们一直忙于准备今天的考试．根据题干We are_____preparing for_____exam all the time．可知需要翻译的部分是"忙"，"今天的"；be busy doing sth 意为忙于做某事，所以"忙"的英语表达是busy；today今天，today的所有格在后面加's，所以"今天的"英语表达是today's，故答案为busy； today's．
点评 做这类题型，首先根据所给汉语明确句子所要考查的单词或短语的拼写，再结合相关语法知识对单词或短语做出形式上的变化．
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The second important way is that trees give us shade（树荫）．On a hot summer day，people are eager to have a rest under the shade of a tree after（99）walkinga long way．You can imagine how important the shade of a tree is to man and animals．
The third important way is that trees help to（100）prevent droughts and flood．However，in many parts of the world，man hasn't realized it．He has cut trees down in large numbers．In the end，he finds that he has lost the best friends he had．