题干

影响以下变化情况的主要因素分别是  
①促使我国近年“温室无土栽培生产”得以推广 
②当代我国农民在不同年份扩大或缩小某种农作物种植面积

A:①自然条件,②政策

B:①市场,②政策

C:①政策,②自然条件

D:①技术,②市场

上一题 下一题 0.0难度 选择题 更新时间:2017-06-07 08:18:42

答案(点此获取答案解析)

D

同类题2

阅读下面的文言文,完成下面小题。

太学生何番传

韩愈

    太学生何蕃入太学者廿余年矣。岁举进士,学成行尊,自太学诸生推颂不敢与蕃齿,相与言于助教、博士①,助教、博士以状申于司业、祭酒②,司业、祭酒撰次蕃之群行焯焯者数十余事,以之升于礼部,而以闻于天子。京师诸生以荐蕃名文说者,不可迭纪。公卿大夫知蕃者比肩立,莫为礼部;为礼部者,率蕃所不合者,以是无成功。

    蕃,淮南人,父母具全。初入太学,岁率一归,父母止之。其后间一二岁乃一归,又止之,不归者五岁矣。蕃,纯孝人也,闵亲之老不自克,一日,揖诸生归养于和州,诸生不能止,乃闭蕃空舍中。于是太学六馆之士百余人,又以蕃之义行,言于司业阳先生城,请谕留蕃。于是太学阙祭酒,会阳先生出道州,不果留。

    欧阳詹生言曰:“蕃,仁勇人也。”或者曰:“蕃居太学诸生不为非义葬死者之无归哀其孤而字焉惠之大小必以力复斯其所谓仁欤!蕃之力不任其体,其貌不任其心,吾不知其勇也。”欧阳詹生曰:“朱之乱③,太学诸生举将从之,来请起蕃,蕃正色叱之,六馆之士不从乱,兹非其勇欤!”

    惜乎!蕃之居下,其可以施于人者不流也。譬之水,其为泽,不为川乎?川者高,泽者卑,高者流,卑者止。是故蕃之仁义,充诸心,行诸太学,积者多,施者不遐也。天将雨,水气上,无择于川泽涧溪之高下,然则泽之道,其亦有施乎!抑有待于彼者欤!故凡贫贱之士,必有待然后能有所立,独何蕃欤!吾是以言之,无使其无传焉。

(选自《韩愈集》)

【注】①选纪:计算;②朱之乱:唐德宗建中四年,泾原军朱反唐。

同类题5

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

    The Internet has opened up a whole new online world for us to meet, chat and go where we've never been before. But just as in face to face communication, there are some rules of behavior that should be followed when on line.

    ____ Imagine how you'd feel if you were in the other person's shoes. For anything you're about to send,ask yourself, "Would I say this to the person's face?" If the answer is no, rewrite and reread.____

     If someone in the chat room is rude to you, your instinct (本能) is to fire back in the same manner. But try not to do so. ____ If it was caused by a disagreement with another member, try to fix the situation by politely discussing it. Remember to respect the beliefs and opinions of others in the chat room.

    ____ Offer advice when asked by newcomers, as they may not be sure what to do or how to communicate. When someone makes a mistake, whether it's a stupid question or an unnecessarily long answer, be kind about it. If it's a small mistake, you may not need to say anything. Even if you feel strongly about it, think twice before saying anything. Having good manners yourself doesn't give you license to correct everyone else. ____ At the same time, if you find you are wrong, be sure to correct yourself and apologize to those that you have offended. It is not polite to ask others personal questions such as their age, sex and marital status. Unless you know the person very well, and you are both comfortable with sharing personal information, don't ask such questions.

A. It's natural that there're some people who speak rudely or make mistakes online.

B. Repeat the process till you feel sure that you'd feel comfortable saying the words to the person's face.

C. Everyone was new to the network once.

D. The basic rule is simple: treat others in the same way you would want to be treated.

E. When you send short messages to a person online, you must say something beautiful to hear.

F. You should either ignore the person, or use your chat software to block their messages.

G. If you do decide to tell someone about a mistake, point it out politely.