My mother is a teacher of E____. She is very k____ to her students. She always h____ them with their lessons. After class she often t____ to them and l____ to them carefully. My mother loves her job and she is n____ be late for work. She goes to work on foot. It takes her h____ an hour to get to school. All the pupils in my class like her i____ class.

关于世界海陆分布叙述正确的是（　　）

选择关联词填空。

因为……所以 ……  凡是……都是……   不是……而是……   不但……反而……

①  ____在太阳下的，____健康的、漂亮的。

②祖父浇菜，我也过来浇，但____往菜上浇，____拿着水瓢，拼尽了力气，把水往天空上一扬。

③园子里还有一颗樱桃树、一棵李子树，____樱桃和李子都不大结果子，____觉得它们并不存在。

④我有时____没有盖上菜种，____把它踢飞了。

下列动物行为中，与蜘蛛结网属于同一类型的是（      ）

$\frac{2}{7}$的分子和分母同时加上4，这个分数的大小不变．（判断对错）$$