题目内容

【题目】2016123日,霸王级寒潮如期而至,速冻全国,据统计本次寒潮南方的危害程度远远超过北方,尤其是农业。

1简析本次寒潮对我国南方农业造成危害较大的原因。

2列举应对寒潮,减少农业危害的措施。

答案】1降温幅度大,速度快;正值农产品上市季节,严重影响农产品品质和运输,经济损失较大

2加强对冻害的监测和预报,提前做好防范准备;培育和推广耐寒防冻品种,提高农作物的抗灾能力;在果园地面铺设稻草等覆盖物;给果树树干包裹稻草等。

【解析】

试题分析:1寒潮由快行冷锋所致,主要危害是降温,大风和雪灾,在农作物生长和收获时危害更大。本题主要回答降温幅度大,速度快;正值农产品上市季节,严重影响农产品品质和运输,经济损失较大

2本题为开放题,回答时多从提前防范上去思考。比如加强对冻害的监测和预报,提前做好防范准备;培育和推广耐寒防冻品种,提高农作物的抗灾能力;在果园地面铺设稻草等覆盖物;给果树树干包裹稻草等。

练习册系列答案
相关题目

【题目】完形填空.

阅读下面短文,掌握其大意,然后从16-35各题所给的A、B、C、D四个选项中,选春最佳选项。

The journey my daughter Cathy has had with her swimming is as long as it is beautiful.

Cathy suffered some terrible _____ in her early childhood. After years of regular treatment, she _____ became healthy.

Two years ago, while Cathy was watching the Olympics, a dream came into her sweet little head—to be a swimmer. Last summer, she wanted to _____ out local swim team. She practiced hard and finally _____ it. The team practice, _____ was a rough start. She coughed and choked and could hardly _____ her first few weeks. Hearing her coughing bitterly one night, I decided to _____ her from it all. But Cathy woke me up early next morning, wearing her swimsuit _____ to go! I told her she shouldn’t swim after a whole night’s coughing, but she refused to _____ and insisted she go .

From that day on, Cathy kept swimming and didn’t _____ a single practice. She had a _____ intention within herself to be the best she could be. My ten—year—old was growing and changing right before my eyes, into this _____ human being with a passion and a mission. There were moments of _____ of course: often she would be the last swimmer in the race. It was difficult for Cathy to accept that she wasn’t a _____ ---ever. But that didn’t stop her from trying.

Then came the final awards ceremony at the end of the year. Cathy didn’t expect any award but was still there to _____ her friends and praise their accomlishments. As the ceremony was nearing the end, I suddenly heard the head coach _____, “The highest honor goes to Cathy!” Looking around, he continued, “Cathy has inspired us with her _____ and enthusiasm. _____ skills and talents bring great success, the most valuable asset(财富)one can hold is the heart.”

It was the greatest _____ of my daughter’s life. With all she had been _____ in her ten years, this was the hour of true triumph(成功).

【1】A. failure B. pressure C. loss D. illness

【2】A. usually B. finally C. firstly D. frequently

【3】A. improve B. train C. join D. contact

【4】A. increased B. found C. created D. made

【5】A. however B. therefore C. otherwise D. instead

【6】A. use B. survive C. save D. waste

【7】A. pull B. tell C. hide D. fire

【8】A. afraid B. nervous C. ready D. free

【9】A. take off B. set off C. give up D. show up

【10】A. attend B. miss C. ban D. Start

【11】A. rich B. weak C. firm D. kind

【12】A. trusted B.determined C.experienced D. embarrassed

【13】A. frustration B. delight C. excitement D. surprise

【14】A. beginner B.learner C. partner D. winner

【15】A. cheer on B. compete with C. respond to D. run after

【16】A. admitting B.explaining C.announcing D. whispering

【17】A. humor B. C. honesty D. wisdom

【18】A. Although B. Since C. Once D. Because

【19】A. discovery B. choice C. influence D. moment

【20】A. through B. under C. across D. around

【语篇解读】这是一篇记叙文。作者讲述自己十岁的女儿在童年遭受病痛之苦,在接受治疗之后好转。之后决心做一个游泳选手,虽然身体不适,还是坚持训练,虽然经常是比赛后的最后一名,但是一直不放弃。最后教练的一番话给予Cathy最大的奖励和肯定。

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网