C

    Hello! My name is Jack.I am from England.Now I am in China with my parents.I like China.I like Chinese food，too.I have breakfast at home.I eat an egg，some bread and porridge(粥) for breakfast.I don't like milk.I have no time to go home for lunch，so I have it at school.The lunch at school is very good.I often have noodles and dumplings.Noodles are my favourite food. Sometimes I have different foods for lunch.I eat rice，meat and vegetables.I always go home early in the afternoon.Then I do my homework.I have supper with my parents.Sometimes we go out to have dinner with our friends.We are happy in China.

在亚洲各地区中，以季风气候为主的是（    ）

设一元二次方程（x-1）（x-2）=m（m＞0）的两实根分别为α，β，且α＜β，则α，β满足（　　）

刹车距离是衡量汽车安全性能的重要参数之一．如图所示，图线1、2分别是甲、乙两辆汽车的刹车距离s与刹车前的车速v的关系曲线，已知在紧急刹车过程中，车与地面间是滑动摩擦．据此可知，下列说法中正确的是(　　)

人体进行消化和吸收主要部位是(     )