All of us have hair on our heads.
There's some hair over our eyes and in our noses. The hair on
our heads can help us in cold days. It can help keep the cold off. It's like a
cap to keep the heat in. In hot days it keeps the heat off like a cap,
too. The hair over our eyes can keep the rain and the dirt out
of our eyes in windy and rainy days. We call them eyelashes.
When we breathe, the hair in our noses can clean the air and keep the dirt
out before it goes into our bodies.
单选题
The hair on our heads are useful ______.
【正确答案】
C
【答案解析】[解析] 根据文章的叙述，毛发对于人的身体—直都是有用的。
单选题
The hair on our heads keep ______ off.
【正确答案】
B
【答案解析】[解析] 头发可以在天冷和天热的时候起到类似帽子的作用：The hair on our heads can help us in cold days. It can help keep the cold off. It's like a cap to keep the heat in. In hot days it keeps the heat off like a cap, too．
单选题
Eyelashes can keep ______ out of our eyes.
【正确答案】
A
【答案解析】[解析] 眼睫毛在刮风下雨时可以防止沙尘和雨水：The hair over our eyes can keep the rain and the dirt out of our eyes in windy and rainy days．
单选题
The hair in our noses can clean the ______.
【正确答案】
A
【答案解析】[解析] 鼻毛可以净化空气。When we breathe, the hair in our noses can clean the air and keep the dirt out before it goes into our bodies．