问题 实验题

(10分)为测定木块与斜面之间的动摩擦因数,某同学让木块从斜面上端自静止起做匀加速下滑运动,如图所示。他使用的实验器材仅限于:(1)倾角固定的斜面(倾角未知);(2)木块;(3)秒表;(4)米尺。实验中应记录的数据是           ,计算动摩擦因数的公式是     。为了减小测量的误差,可采用的办法是        

答案

h、D、L、t  ;;多次测量取平均值

填空题
阅读理解

Matthew Ames returned to Brisbane from Melbourne at the weekend after experiencing one of many rounds of surgery,becoming Australia’s first bionic(仿生学的)man. Matthew Ames was at home on Monday morning,adjusting to national media attention and life with titanium rods(钦杆)in what remains of his arms and legs.If all goes to plan,later in the year he will have more surgery to fix bionic prosthetics(假肢).

It all started 15 months ago,when the Origin Energy engineer一who lives with his wife Diane and four children in Camp Hill in Brisbane’s east一began feeling like he was coming down with the“man flu”,A week later he was in hospital,senseless and on life support,which was caused by a deadly form of bacteria.

“He had a. 99%chance of dying,”Matthew’s son Luke,9,said in a program,Sunday Night which drew more than 2.12 million viewers nationally.

Matthew’s younger sons Ben,8,and Will,7,added:“And only 1%of living.”

Proudly Will concluded:“And the 1% won against the 99.”

Matthew’s families were told Matthew’s only chance of survival was to have his four limbs removed.For Diane,the choice was easy.She could not allow their children to grow up without a father.Eventually,Matthew came to,only to find he had no arms and legs.

On Monday,he is attending a Pride of Australia Medal ceremony for which he has been nominated(被提名)In the courage category.“The 40-year-old is slowly getting used to a few more people knowing about his story,”his sister Kate told Fairfax Media.“We told his story so that he was known to the kids,and thus people wouldn’t stop and stare,”Kate continued.“We’re not sure what to expect now that his story has aired across Australia.The effect it would have in a positive way on people is beyond our expectation.”

小题1:From the first two paragraphs we can learn that Matthew Ames

A.has finished all of his operations

B.is the first bionic man in the world

C.is becoming the focus of the public

D.had his arms and legs cut completely小题2:From what Matthew Ames’sons say,we can conclude that

A.it was a wonder for their father to escape from death

B.most doctors refused to operate on their father

C.the sons’love is the cure of their father,s disease

D.the sons’pray moved God and saved their father小题3:What was the attitude of Matthew’s wife when he was advised to cut his legs and arms?

A.Doubtful.

B.Supportive.

C.Cautious.

D.Casual.小题4:What would be the best title for the passage?

A. A Lucky Father B. A Bionic Man

C.A National Hero D'. A Reliable Husband