问题 解答题
2007年10月24日18时,长征三号甲运载火箭载着中国首颗人造月球卫星--“嫦娥一号”探测器,划破云霄,飞入太空,奔向月球,这是中国人民的骄傲和自豪,受此鼓舞,文昌中学科技兴趣小组的同学们制作并发射了一枚小火箭.火箭发射台离地面的高度为2米,火箭离地面的高度h与时间t的关系如下表:
时间t(秒)速度h(米)
12+2
22+4
32+6
42+8
(1)火箭发射5秒后离地面的高度为______米;
(2)请你根据表中的数据写出火箭离地面t秒后的离地面的高度为______米;(用含t的代数式表示)
(3)利用公式求出当t=30秒时,火箭离地面的高度.
答案

(1)火箭发射5秒后离地面的高度为 2+2×5=12米.

(2)根据题意得:2+2t.

(3)当t=30时,2+2t=2+60=62米;

阅读理解

The early history of the city of Rome involves Romulus and Remus,two orphan boys who,legend says,were raised by a she-wolf.The boys’ mother had been murdered by an evil king and the two babies tossed into the river Tiber.When the wolf found them they had washed up on the shore.She perhaps took pity on the crying of the babies and,gently picking them up in her teeth,she carried them back to her cave and fed them on her milk.The boys grew bigger and stronger and,eventually,were found by a herdsman who took them home.He and his wife raised the boys like their own children.When they reached manhood they sought revenge on the king who had killed their mother and driven them from their home.

They decided to build a city.Unfortunately,they argued over the appropriate site and Romulus killed his brother Remus.Romulus ruled this city — called Roma — for thirty-seven years.

The city of Rome is one of the most popular tourist attractions in the world.If you travel there you can see a statue of the two baby boys feeding from their mother - the wolf.

小题1:What is the main idea of the passage?

A.Wolves like to take care of human children.

B.The city of Rome had many wolves in the old days.

C.The city of Rome was founded by a wolf.

D.Romulus established the city of Rome.小题2:What is a herdsman?

A.someone who builds cities

B.someone who cares for children

C.someone who cares for domestic animals

D.someone who can hear very well小题3:"...they sought revenge on the king who had killed their mother..." means...

A.They attacked the king who had harmed their mother and made them orphans.

B.They went to court to sue the king for his crime against their mother.

C.They hired some gangsters to take care of their problem with the king.

D.They went to talk to the king about his crime against their mother.小题4:Which is true according to the passage?

A.It was the king who made Romulus and Remus orphans.

B.The boys didn’t grow well for lack of food.

C.The herdsman killed the wolf and took Romulus and Remus home.

D.The herdsman treated the boys well and told them to kill the king.小题5:We can infer from the passage that ____.

A.Romulus was cruel and became a bad ruler.

B.Animals can be as smart as humans.

C.Love is more powerful than revenge.

D.People of Rome want to pass on the story of the wolf boys.

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