猜字谜作文及答案【一】
1、(2分，意近即可酌情给分：引起读者的阅读兴趣，概括了热饮热食的危害，自然地引出了下文。
2、(5分：危害有：容易发生癌变(1分;不利于饮食的消化吸收(1分;难以细品食物的美味(1分。
途径(2分：调查发现、病理研究
3、(第一问2分：①举例子、②列数字 (第二问2分。选项不给分，但不写选项扣0.5分答案略
4、(3分：不能删去(1分。因为“可能”一词说明癌症除了与热饮热食有关外，还与其他因素有关，如果去掉“可能”就排除了其他因素，与原文不符(2分。
猜字谜作文及答案【二】
It ______ ______ ______ the train will be late.
答案：is likely that
2. It is likely that the typhoon will sweep across the island.
The typhoon ______ ______ ______ ______ across the island.
答案：is likely to sweep
3. I think trying to stop the couple quarrelling will be of no use.
I think it's ______ ______ ______ to stop the couple quarrelling.
答案：no use trying
4. Every time I was in trouble, he had no hesitation in helping me.
Every time I was in trouble, he came to help me ______ ______.
答案：without hesitation
5. He never hesitates to help if I have any problem.
He always helps me ______ ______ if I have any problem.
答案：without hesitation
6. I crossed the street so as not to meet him, but he saw me and came running towards me.
I crossed the street to ______ ______ him, but he saw me and came running towards me.
答案：avoid seeing
7. It seems that the students in that class have all passed the qualified exam.
All of the students in that class ______ ______ ______ ______ the qualified exam.
答案：seem to have passed
8. It seems that the boys of the class are playing football on the playground.
The boys of the class ______ ______ ______ ______ football on the playground.
答案：seem to be playing
猜字谜作文及答案【三】
1、因为土壤中缺乏植物赖以生存的氮。在沙漠地区选试验点，通过精密仪器测量，在此基础上进行研究，发现沙漠地区长时间气温较高，土壤中的氮以气体形式不断挥发，而最终不能回到土壤中。
2、干旱地区种植田地，在保障了充分的水和肥料的前提下，土地的出产不高。
3、沙漠中土壤里的氮为何不可返回。作者采用总分的说明顺序，将干旱地区和气候温和地区进行比较来说明的。
4、采用生动的语言来说明。如“气势汹汹”和“肆无忌惮”两个成语，运用拟人的修辞手法，将沙漠人格化，表现土壤沙漠化的严重，警示人们保护环境。
猜字谜作文及答案【四】
5、C（其余各项答非所问）
6、C（A项““鲜”则是日本民族对味型的归纳”在原文中没有依据，属于无中生有；B项对“鲜”的认识自古就有，“人们对“鲜”的认识m现在近代”属于曲解文意；D项“强化食物原来的风味”“从而成为美味”属于臆断）
7、D（A项五味与美食追求没有必然的因果联系；B项“科学技术增强了人们对滋味的感觉能力”主观臆断；C项“使众口不再难调”推断绝对化）
