题目内容
14．科学家们正在努力寻找预防这种疾病的办法．Scientists aretrying to find out the ways of preventing this disease．
分析 trying to
解答 答案：trying to
通过英汉句子的比对，可知英文句子中缺少"努力…"的翻译，其英文表达为try+名词或 try to do sth，根据该空处后为动词find，故用try to do sth，又知句子表达正在做某事，故用现在进行时，其结构为is/am/are+动词的现在分词，句中的主语为Scientists为第三人称复数，故句中动词be为are，try的现在分词为trying，故填trying to
点评 做类似题首先读汉语句子了解要表达的意思，然后跳过空格再读一下所给的英语部分从而分析出要求翻译的英语，最后填入正确答案并检查，在本题中注意时态为现在进行时，其结构为is/am/are+动词的现在分词；"努力…"的英文表达为try+名词或 try to do sth
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