下图为我国部分省区2005～2010年人口净迁移率(迁入率与迁出率之差，正数表示人口净迁入。反之为净迁出)与人口自然增长率分布图。读图，完成下列各题。

完成下面有关组成细胞主要化合物的概念图：

（1）写出图1中化合物的名称：①____②____ ③____④____ 

（2）图1的②中被称为生命的燃料的是____，脂质中构成细胞膜重要成分的是____，举一例说明③在生命活动所承担的功能：____ 

（3）图2为图1中④的一条长链，1、2、4的名称分别是____ 、____、____ ．该结构中特有的碱基名称是____

从方框中选出合适的词补全文章

    BBC is one of the most famous radio____  in the world．It has its own offices in London and in many other parts of the country，even in the____  countries． 

    People can find out all the BBC programmes in the BBC'S magazine Radio Times．The magazine has much more readers than any

____ magazine in Britain．BBC has a lot of radio channels(频道)and TV channels．There are all kinds of____ on them．Some are for parents，and some are for____ ．Some are for workers and farmers，and some are for teachers and students．Some give main news and some give music or sports．You can choose what you like to listen to or to watch

判断对错

圆的大小由它的半径决定．