阅读短文，根据短文内容和已给出的首字母，在空白处填入适当的单词。将完整的单词写在短文后面的横线上。
Without plants people could not live. We need them for b  1  food and oxygen(氧气) that plants p  2 .And we also need them for their beauty.
Imagine a world w  3  plants. Imagine no flowers with their sweet smells, their beautiful colours and their lovely shapes(形状).Imagine when the wind blows, not being able to h  4  the leaves in the trees or watch the branches(枝条)swings(摇摆)from side to s  5 .
E  6  people need the beauty of plants. That is why we have parks full of trees and flowers, and people always try to build houses with room for some grass and a garden. Do you talk to your plants? Do you g  7  them love and care? Two scientists said they once planted two seeds(种子) in different places. While the plants were growing, one plant was given l  8  and hopeful ideas. The other plant was given only hopeless ideas. After six months, the loved plant was bigger. U  9  the earth it had more and longer roots(根)；above the earth, it had a thicker stem(茎)and more l  10 .

What kind of hair do you have? Is it curly or straight? Some of us are born with straight hair．Some are born with curly hair．Do you know why?

A number of things decide the way our hair is．Here are some of them．

    The first thing is the follicles（毛囊）．A hair has two parts：the shaft（毛干），which is the part you see，and the follicle，which is hidden under the skin．The curly-haired have flat follicles．Those with straight hair have round follicles．

    Second，how our hair looks is connected with the hair bulb（发根）．The hair bulb is the area from which the shaft grows．The way the bulb sits in the follicle can affect the hair, too．

    The way the cells（细胞）of the hair are arranged（组合）in each shaft can also affect the look of the hair．These cells can be arranged in many ways，and result in different looks of hair．

Lots of people try to change the look of their hair．They use curling irons（烫发器）to make the hair curly or chemicals to make it straight．These methods are only effective（有效的）for a short time．As hair grows and time goes on，hair returns to normal．

1．How many parts does a hair have? What are they?

2．Why can't we see the follicle?

3．What kind of follicles do the people with straight hair have?

4．What can always affect the look of the hair?

5．How can people change the look of the hair for a short time?

A cold is a common(普通的)illness．It often starts with a sore  1  ．You sneeze(打喷嚏) and your nose runs．You usually  2  a headache，too．It’s not a serious illness，but you can feel very  3  ．

      What should you do when you have a cold? You should have a good rest．It is good  4  a lot of water, too．You can  5  and take some medicine．Maybe you can try some Chinese medicine．Chinese medicine is now very  6  all over the world．

      Where does Chinese medicine  7  ?A long time ago，when people were not feeling 8  , they found that some plants could make them feel  9  ．They ate the leaves, the roots(根)，the fruits or the seeds(种子)of the plants．Today people make much Chinese medicine 10   those plants．

(    )1．A．throat                 B．hand                     C．leg                    D．arm

(    )2．A．give                 B．have                    C．bring                D．find

(    )3．A．bad                     B．happy                  C．shy                   D．clever

(    )4．A．drinking              B．drink                   C．to drink             D．drinks

(    )5．A．see a dentist           B．go to a party          C．go to school      D．see a doctor

(    )6．A．difficult               B．different               C．delicious           D．popular

(    )7．A．come to              B．come from            C．get up             D．get to

(    )8．A．sad                     B．well                     C．tired                        D．busy

(    )9．A．better                  B．less                     C．more                D．busy

(    )10．A．to                     B．in                        C．from                 D．on