问题 连线题

将名词与相应的功能对应起来。   

1.细胞膜

a.内有细胞液

2.叶绿体

b.控制物质进出

3.分生组织

c.运输水和无机盐

4.输导组织

d.分裂能力

5.细胞核

e.保护和支持细胞

6.细胞壁

f.遗传信息库

7.液泡

g.保护种子

8.果实      

h.使光能变成化学能

答案

1-b  2-h  3-d  4-c  5-f  6-e  7-a  8-g

完形填空

Food is life; it gives us the nourishment (营养) we need to stay alive and be healthy.__小题1:__ Brian Wansink, a professor at the University of Illinois, says we also eat certain foods because they make us feel good, and remind us of happy memories.Wansink calls this kind of food comfort food.For some people, ice cream is a comfort food.For others, a bowl of noodles soup makes them feel good.

小题2:__ Professor Wansink believes that we connect food with important times, feelings, and people in our lives.“When I was a child, my mother made a delicious soup; I loved it.__小题3:__ And it helps me feel better,” Says one of Wansink’s coworkers.

Do men and women choose different comfort foods? Wansink’s research at the University of Illinois says “ yes”.In his study, the favorite comfort food for both men and women was ice cream.After this, men usually preferred hot, savory (香的) foods like soup or noodles._小题4:__ Men and women like to eat comfort foods when they are happy, but women eat these foods more when they are sad or worried.

__小题5:_ About 40 percent of the comfort foods in Wansink’s study were healthy main dishes or soups and vegetables.It shows, says Wansink, that a comfort food can taste good and be good for you.

A.Not all comfort food is junk food.

B.Where can we buy this sort of food?

C.Sweet foods are also their preference.

D.How does a food become comfort food?E.Usually, we eat because we are hungry or need energy.

F.Women like sweet things such as chocolate and cookies.

G.Now, I often have this kind of food when I am tired or worried.

多项选择题