一个直角三角形中，它的锐角的外角为135°，则这个三角形有对称_爱下问搜题

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问题填空题

一个直角三角形中，它的锐角的外角为135°，则这个三角形有对称轴（）条。

答案

1

阅读理解

阅读短文，将其选项中的五个句子还原到短文当中。

A. running away is anything
B. they often find them in risky situations
C. it may be natural
D. these kids are more easily to get affected (感染)
E. no one cares about them
F. you probably imagine

    When you think about running away, (1) _______ that there will be no more rules, no parent to tell you what
to do, no more fights. Sounds great and exciting, right? In fact, (2) _______ but fun. Kids who run away face
new problems like not having any money, food to eat, a safe place to sleep, or anyone to take care of them.
    People with no home and no money become ready to do anything just to meet their everyday needs. Because
of this, (3) _______ that would be terrible even for adults. Runaway kids join in dangerous crimes (犯罪) much
more often than kids who live at home.
    Kids who live on the streets often have to steal (偷) for a living. Many take drugs to get through the day
because they become so sad and feel that (4) ________. Some are forced (被迫) to do things they wouldn't
normally do to make money. The number of kids with HIV or AIDS and other diseases is higher on streets, too,
because (5) _______. This problem is attracting more and more attention.

填空题案例分析题

阅读图文材料，完成下列问题。

材料一：韩国及周边简图

材料二：韩国泡菜是朝鲜半岛一种以蔬菜（大白菜）为主要原料的发酵食品。

2009年韩国白菜产量为25万吨，2009年冬季，韩国大雪不断，使2010年产量仅为15万吨，每年消费泡菜需145万吨原料，由于自产冬白菜收成锐减，2010年春季大白菜价格大幅上涨，从而引发“泡菜危机”。2009年底韩国大白菜主产区的大片土地被征用。

我国大白菜主产地在东北、山东、河北等地，年总产量约１亿吨，我国大白菜自给有余，可出口到韩国、日本等地。

第17届亚洲运动会开幕式于2014年9月19日，当地18时（东九区区时）在韩国仁川举行，此时纽约（西五区）的区时为2014年9月（）日（）时。开幕式当日，北京、首尔、平壤三地，白昼最长的是（），正午太阳高度角最大的是（）。北京的气温年较差比首尔（），朝鲜半岛的农业地域类型是（）。