有关杀虫剂利与弊的英语作文

关于”有关杀虫剂利与弊“英语作文范文5篇，作文题目：Advantages and disadvantages of insecticides。以下是关于有关杀虫剂利与弊初二英语范文，每篇作文均为满分范文带翻译。

高分英语作文1：Advantages and disadvantages of insecticides

Red palm weevil is a kind of pest that feeds on palm leaves and trunks. It oginates fm tpical forests in Asia and is distbuted all over the world. Experts are studying how to contl the spread of weevil in the region.

There are three possible cutting methods. Once the palm tree is infected, if the palm tree is cut down as soon as possible, the symptoms of holes in the yellow leaves and trunk will appear, and then the mixte of phemones will be used to stop the elephant Nosema dispersal, the use of phemone mixtes to trap pests, weevils will be attracted by phemone mixtes and killed by toxic substances in the traps. The use of pesticides can kill weevils on trunks and soil.

Contlling the spread of weevil remains a challenging task, and all solutions have weaknesses: first, yellow leaf symptoms appear in palm trees At the beginning, it's hard to detect the symptoms of the pest. In fact, it's been nd for nearly a month, and the weevil has enough time to repduce, so it's useless to desty the infected trees becse the weevil has already begun to invade other trees. The toxic chemicals in the traps don't stay active for a long time to make the traps work.

If the traps are changed irregularly, weevils will not be killed, so they will spread in the sunding areas. There are dreds of weevils living in the depths of trees. Even if insecticides are sprayed into the depths of trees, some weevils can svive.

Therefore, any sviving female can lay than one egg at a time. They can pduce enough offspng to continue to cse seous damage to many trees. Do you agree or disagree with the following statement? Sports can be tght People's coses on life support yo answers with specific reasons and examples.

中文翻译：

红棕榈象甲是一种以棕榈叶和树为食害虫，起源于热带森林，在世界各地均有分布，专家们正在研究如何控制象甲在当地传播有三种可能砍伐方法一旦棕榈树被感染，如果尽快砍伐，就会出现黄叶和树上有洞症状，利用素混合物来阻止象鼻虫扩散，利用素混合物诱捕害虫，象鼻虫会被素混合物吸引并被诱捕器中有毒物质杀，使用杀虫剂可以杀象鼻虫树和土壤上杀虫剂控制象甲传播仍然是一项具有任务，而且所有解决方案都有弱点：首先，在棕榈树出现黄叶症状初期，很难监测到虫害症状，实际上，它已经出没将近一个月了，而且象鼻虫有足够时间繁殖，所以摧毁受感染树木是没有用，因为象鼻虫已经开始侵扰其他树木了。陷阱中有毒化学物质不能长时间保持活，使诱捕器发挥作用，如果不定期更换诱捕器，象鼻虫就不会被杀，因此它们会在周围地区蔓延。树木深处有成百上千象鼻虫生活在树深处，即使杀虫剂被彻底洒到树深处，一些象鼻虫仍能存活下来因此，任何存活下来雌动物一次能产不止，它们能产生足够多后代继续对许多树木造成严重你同意还是不同意下面说法玩体育运动可以教人们关于生命课程使用具体理由和例子支持你回答。

万能作文模板2：杀虫剂优缺点

Many wild animals are facing the danger of extinction, becse their envinment has undergone great changes. For example, with the dlopment of cities, the use of pesticides and seous pollution, their living range is getting narwer and narwer. At the same time, many wild animals are facing food csis.

In order to oain f, f, horns, teeth and meat, human beings kill species in order to ptect us People should realize that the loss of any species is at least the loss of knowledge and the soce of natal bety.

中文翻译：

许多野生动物正面临着灭绝危险，因为它们所处环境已经发生了很大变化，例如随着城市发展，杀虫剂使用和严重污染，它们生存范围越来越窄许多野生动物，同时面临着食物危机，人类为了获取皮毛、皮毛、角、牙、肉而捕杀物种，为了保护我们生态资源，人们应该认识到，任何物种丧失至少是知识丧失和自然美源泉，因此，应采取以下措施：制定污染标准。

满分英语范文3：有关杀虫剂利与弊

My dream home I am a person, do not like cwded places, I hope to have a home in the countryside ry morning, the air is fresh, you can hear birds singing next to my home, I plan to have a all farm, where I can gw vegetables by myself, these vegetables are pesticide free, I will have my own study, where I can read books and listen to my favote That will be the condition of my dream home.

中文翻译：

我梦想家我是一个单纯人，不喜欢拥挤地方，我希望在乡村有一个家，每天早晨空气清新，可以听到鸟儿在我家旁边唱歌，我打算有一个小农场，在那里我可以自己种植蔬菜，这些蔬菜是不含杀虫剂，我会有一个自己学习在那里我可以看书，听我最喜欢音乐，那将是我梦想中家条件。

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