如图所示,一个小的光源S发出白光,经三棱镜分光。若人沿着折射光线的反方向观察,通过棱镜可以看到( )
A:白光点
B:光点上 部红色,下部紫色
C:光点上部紫色,下部红色
D:看不到光源的像
关于降水的时空分布的叙述,正确的是( )
关于中东的说法,正确的是( )
—Twice a year.
A. This is a big ship. B. It's a book about London.
C. London is a big city. D. It's Buckingham Palace.
E. My house is very small, but it's beautiful.
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.