绿色开花植物的结构层次是 [ ] A.细胞→组织→器官→植物体 B.细胞→组织→

题型:选择题

问题:

绿色开花植物的结构层次是 [ ]

A.细胞→组织→器官→植物体

B.细胞→组织→系统→植物体

C.细胞→器官→系统→植物体

D.细胞→器官→组织→植物体

考点:植物体的结构层次关系
题型:选择题

阅读理解。

     Long ago, people in Rome (罗马) talked to one another in Latin (拉丁文). Pupils in school learned to read

and write in Latin. Books are in Latin.

     Some Romans (罗马人) went to other parts of the world. They took their language with them. Soon Latin

was used in many countries. It became a world language.

     People in other countries did not talk in Latin the same way. In each land, they changed the language a little.

As time went by, they made more changes. At last they did not talk in Latin any more. New languages had

come from the old one.

     People do not talk to one another in Latin today. But they still use many Latin words. You do, too. Street,

wall, city, and salt are some of the Latin words we use. You are a pupil in school. Pupil is a Latin word. It

means "little doll".

1. Latin was used by people in _____. [ ]

A. Rome

B. the United States

C. Greece (希腊)

D. Texas

2. The word in the story that means what people speak and write is ______.

3. The story says, "People do not talk to each other in Latin today. But they still use many Latin words,"

    The word "they" means ______.

4. Which of the following does this story lead you to believe? [ ]

A. It is not good to change a language.

B. Pupils in schools today play with dolls.

C. Not many people can read Latin today.

5. What happened to Latin when it was taken to other countries? (which sentence is exactly like the one in 

    your book?) [ ]

A. In each land, people talked about each other.

B. In each land, they changed the language a little.

C. In each land, the children had to speak some Latin.

6. The main idea of the whole story is that ______. [ ]

A. Romans did not like to stay home

B. people in old Rome talked a lot to each other.

C. Latin changed as it moved from land to land.

题型:选择题

动词填空。

1. Li Lei isn't in. He _____ (wait) for his mother outside.

2. Now the boy like his parents  _____ (not like) fast food at all.

3. The Greens _____ (plan) to go on holiday in Hawaii at present.

4. Babies need their mother _____ look) after them well.

5. We went to visit Uncle Wang and _____ (bring) some flowers to them.

6. Would you like _____ (cut) the apple into two halves?

7. Please be quiet. We            (have) a class meeting.

8. Who_____ (read) newspapers? My mother is.

9. It's seven o'clock. Dad _____ (lie) on the couch and watching TV.

10. My uncle _____ (fly) to Shanghai once a week.

题型:选择题

条件致病菌致人感染的主要因素是()

A.细菌毒力增强

B.细菌数量增多

C.宿主免疫功能低下

D.宿主使用大量抗生素

E.宿主年龄大

题型:选择题

ARP协议属于(1)层,其作用是(2)。 空白(2)处应选择()

A.由MAC地址求IP地址

B.由IP地址求MAC地址

C.由IP地址查域名

D.由域名查IP地址

题型:选择题

分泌胰岛素的内分泌腺是()

A、甲状腺

B、甲状旁腺

C、肾上腺

D、胰腺

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