单选题 All over the world people swim for fun. Swimming is enjoyed by people-of (41) ages (年龄), from the very young to the very old. There are many places (42) people to swim. Some people swim in lakes, rivers and seas, (43) swim in swimming pools. Many schools, hotels and clubs (俱乐部) have swimming pools. Some people have pools of (44) in their yards (院子).
Swimming is one of (45) forms (形式) of exercise. It can make hearts and bodies (46) . It can also help blood circulate (循环). Handicapped (残疾的) people can (47) their bodies in better condition (状况) by swimming (48) they can't enjoy other sports. (49) is a good idea for us to learn to swim at an early age. (50) we will enjoy it for the rest of our lives.

单选题 A. every B. any C. all

【正确答案】 C

【答案解析】[解析] ages是复数，不可能用every修饰。该句是肯定句，也不能用any。

单选题 A. of B. for C. with

【正确答案】 B

【答案解析】[解析] 这里指有许多地方供人们游泳。

单选题 A. others B. the others C. the other

【正确答案】 A

【答案解析】[解析] others泛指其他人。

单选题 A. themselves B. their C. their own

【正确答案】 C

【答案解析】[解析] of one's own意为“某人自己的”。

单选题 A. good B. better C. the best

【正确答案】 C

【答案解析】[解析] 上下文指：游泳是锻炼身体的最好形式之一。

单选题 A. strong B. good C. heavy

【正确答案】 A

【答案解析】[解析] 锻炼是为了让身体强壮，所以用strong。

单选题 A. let B. keep C. give

【正确答案】 B

【答案解析】[解析] keep意为“保持”，此处指使身体保持健康。

单选题 A. so B. so that C. if

【正确答案】 C

【答案解析】[解析] if在这里引出条件状语从句，意为“如果”。

单选题 A. It B. That C. There

【正确答案】 A

【答案解析】[解析] It在此处作形式主语。

单选题 A. So B. But C. And

【正确答案】 A

【答案解析】[解析] 前后句是因果关系，因此选so。