问题 填空题

细菌与藻类植物一样,它们的营养方式都属于自养.______.

答案

细菌的结构有细胞壁、细胞膜、细胞质、未成形的细胞核等结构,没有叶绿体,不能进行光合作用,所以营养方式为异养;藻类植物细胞内有细胞壁、细胞膜、细胞质、细胞核、液泡、叶绿体、线粒体,有叶绿体,能进行光合作用,自己制造有机物,所以营养方式为自养.

故答案为:×.

完形填空

There is good news for the children in the      . We may still remember the girl       big eyes. Her big eyes       us her dream: I wish to go to school. In China, there are still       girls and boys like her. They want to go to school,        their families are too poor. If the family has two or three children, it is harder for them to       the education for all the children. So the parents often ask girls       at home, and boys to go to school.

Now they       worry about the money. From 2006 on, children could go to school for free in some poor places. They don’t have to pay for books and other things. Some of them can even get money from the government to make their life       . Soon all the children in the countryside can go to school for free. All families are very happy with the news. It is       great. China that has changed for the better.

小题1:A. cities             B. countryside         C. farm

小题2:A. with              B. on                  C. in

小题3:A. says              B. tells                  C. talks

小题4:A. a lot             B. much                C. a lot of        

小题5:A. but           B. and                C. or

小题6:A. take              B. afford                 C. spend

小题7:A. stay          B. staying            C. to stay 

小题8:A. mustn’t          B. needn’t            C. can’t

小题9:A. better         B. worse                  C. longer      

小题10:A. really       B. never                   C. hardly  

单项选择题