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问题 单项选择题

控制食品中农药残留的措施是加强对农药生产和经营管理，()和制定和执行食品中农药残留限量标准。

A、适当选择农药品种

B、减少农药产量

C、安全合理使用农药

D、限制农药销量

答案

参考答案：B

填空题

黄曲霉素AFTB（化学式为C17H12O6）是污染粮食的真菌产生的毒素．人类的特殊基因在黄曲霉素作用下会发生突变，从而诱发肝癌．从黄曲霉素的化学式C17H12O6，你能总结出哪些信息（填2条）① _________ ；② _________ ．

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填空题

I live in the country and my father was a farmer.51. ______
He is now forty-five year old. Because of years of 52. ______
hard work, he looks old than his age. When I was53. ______
young, he is used to tell me the importance of study. 54. ______
Father knows little about English and other subjects, 55. ______
but he usually gives me some good advices on how56. ______
to learn my lessons good. He is not only kind to me 57. ______
but also very strict in me. With his help, I’ve made 58. ______
great progress. I’ll never to forget what he taught 59. ______
me. I think my father is best father in the world. 60. ______
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