问题 问答题 简答题

列举目前已开发的化学杀虫剂及主要品种?

答案

参考答案:

(1)有机氯类硫丹、三氯杀螨醇

(2)有机磷类甲胺磷、乙酰甲胺磷、对硫磷、甲基对硫磷、久效磷、杀螟硫磷、倍硫磷、二嗪磷、毒死蜱、丙溴磷

(3)氨基甲酸酯类克百威、灭多威、丁硫克白威、茚虫威

(4)拟除虫菊酯类氯氰菊酯、溴氰菊酯、氰戊菊酯、氯菊酯

(5)沙蚕毒素类杀螟丹、杀虫环、杀虫双

(6)烟酰亚胺类(新烟碱)吡虫啉、噻虫嗪、噻虫啉、啶虫脒

(7)酰肼类虫酰肼(米满)、甲氧虫酰肼(美满)

(8)苯甲酰脲类灭幼脲、氟虫脲、氟啶脲、氟铃脲

(9)阿维菌素类阿维菌素、多杀菌素

写句子

把下列句子先改写成“把”字句,再改写成“被” 字句。 

(1)人们称小草为大力士。 

                                                                                                        

(2)海风刮得梧桐树东倒西歪。

                                                                                                         

(3)狡猾的狐狸欺骗了凶恶的老虎。 

                                                                                                       

(4)他在操场上找到了丢失的钢笔。

                                                                                                        

(5)奇妙的猪笼草吃掉了一条蜈蚣。 

                                                                                                       

(6)齐着船舷的菜叶和垃圾填没了这只船和那只 船之间的空隙。 

                                                                                                       

(7)一辆马车无情地轧断了小珊迪的腿。 

                                                                                                       

(8)一大滴松脂滴下来,正好包住了一个苍蝇和一个蜘蛛。

                                                                                                        

(9)下了一场大雪,地里的害虫都冻死了。 

                                                                                                         

(10)母亲带小妹妹到儿童娱乐场去散步了。

                                                                                                        

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