托福听力精听讲解（29）

来源：广州从化区新东方雅思托福培训时间：2022/12/16 11:00:57

　　为同学们整理了托福听力精听讲解整理，供考生参考学习。

　　听力填空

　　回复填空答案格式如下：1____2____3____...et.al.

　　Word comes from California of a new weapon in the war on _______ pests. Two scientists working for a firm in Anaheim, California, have developed a method to ________ insects without using dangerous chemicals. The new poison? Hot air.

　　The basic idea is that insects cannot adjust to temperatures much above normal. In laboratory experiments, ______and termites can't survive much more than a quarter of an hour at 125 degrees Fahrenheit, or about 50 degrees centigrade.

　　The new method involves covering a house with a huge tent and filling it with air heated to around 65 degrees _______. Hot air is forced in with fans, and the tent keeps the heat inside the house. Since termites try to escape by hiding in wooden beams, the heat treatment must be continued for a full six hours. But when it's all over, and the insects are dead, there are no toxic residues to _______ humans or pets, and no funny smells.

　　Scientists claim that there is no danger of fire, either, since very few household materials will burn at 65 degrees centigrade. In fact, wood is prepared for construction use by drying it in ovens at 80 degree centigrade, which is substantially hotter than the air used in this procedure.

　　【填空答案】1.household adj. 家庭的;日常的;王室的2.eliminate vt. 消除;排除3.cockroaches n. 蟑螂(cockroach的复数)4.centigrade adj. 摄氏的;[仪] 摄氏温度的;百分度的5.endanger vt. 危及;使遭到危险

　　【听力原文】Word comes from California of a new weapon in the war on household pests. Two scientists working for a firm in Anaheim, California, have developed a method to eliminate insects without using dangerous chemicals. The new poison? Hot air.

　　The basic idea is that insects cannot adjust to temperatures much above normal. In laboratory experiments, cockroaches and termites can't survive much more than a quarter of an hour at 125 degrees Fahrenheit, or about 50 degrees centigrade.The new method involves covering a house with a huge tent and filling it with air heated to around 65 degrees centigrade. Hot air is forced in with fans, and the tent keeps the heat inside the house. Since termites try to escape by hiding in wooden beams, the heat treatment must be continued for a full six hours. But when it's all over, and the insects are dead, there are no toxic residues to endanger humans or pets, and no funny smells.

　　Scientists claim that there is no danger of fire, either, since very few household materials will burn at 65 degrees centigrade. In fact, wood is prepared for construction use by drying it in ovens at 80 degree centigrade, which is substantially hotter than the air used in this procedure.

　　精解译文

　　【听力精解】这篇文章在讨论清除害虫的方法。期中有几个词是经常见的，比如cockroaches是蟑螂，还有，Fahrenheit跟centigrade只是两种不同的温度记法，前者是华氏度后者是摄氏度。residue 跟resident，前者有reserve & the rest of 的意思，是残留、剩余的意思，而resident 是居住。【参考译文】

　　一词来源于一个新的家庭害虫的战争武器，来自加利福尼亚州。阿纳海姆，加利福尼亚州，在公司工作的两位科学家已经开发出一种方法来消除，而无需使用危险化学品的昆虫。新的毒药?热风。

　　其基本思路是，昆虫无法适应温度高于正常。在实验室实验中，蟑螂和白蚁无法生存在华氏125度远远超过一刻钟，或摄氏50度左右。

　　新方法涉及到房子，有一个巨大的帐篷覆盖，并加热到大约65摄氏度的空气填充。热风被迫在与球迷，帐篷，保持屋内的热量。由于白蚁尝试逃避躲在木梁，热处理，必须持续了整整六个小时。但是，当一切都结束了，和昆虫都死了，有没有毒性残留，危害人类或宠物，没有有趣的气味。

　　科学家们声称，有没有火灾危险，要么，因为只有极少数的家庭材料，将刻录在65摄氏度。事实上，木材烘干炉在80摄氏度，这是大大低于在此过程中所使用的空气温度为建设用地准备。

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