如图，如果∠1=40°，∠2=100°，∠3的同旁内角等于____．

阅读下面这首宋诗，完成下列小题。

送别

苏轼

鸭头春水浓如染，水面桃花弄春脸。

衰翁送客水边行，沙衬马蹄乌帽点。

昂头问客几时归？客道秋风黄叶飞。

系马绿杨开口笑，傍山依约见斜晖。

    Once there was a father and a son. They were ill-tempered (坏脾气的) and1gave way to others.

    One day the father2to ask some friends to dinner in his house. He 3his son to buy some meat in town. 4the son walked towards the town gate, a man was coming from the outside. The gate wasn't5 enough to let two men in and out at the same time. But neither of 6would give way to the other.

    They stood straight face 7 face inside the gate hour after hour. But the father was8. "What shall I do? My son hasn't 9 yet. I can't wait any more." He wanted to know what was the10with his son. So he 11 his friends at home, and went to town 12his son.

    "You may first take the 13 home for my friends. Let me 14 here against him instead." he said to his son when he knew 15had happened.

有关如图气压（百帕）分布图的叙述，正确的是（　　）

读课文《 爸爸的花儿落了》，爸爸把我从____打到____，从____打到____，外面的雨声____着我的哭声。