一个圆的半径是6cm,它的周长是______cm,面积是______cm2.

题型:填空题

问题:

一个圆的半径是6cm,它的周长是______cm,面积是______cm2

考点:圆的周长
题型:填空题

We usually do some cleaning _____ weekends.    [ ]

A. for  

B. on  

C. over      

D. in

题型:填空题

I was a freshman in college when I met the Whites. They were completely different from my own family, yet I felt at home with them immediately. Jane White and I became friends at school, and her family welcomed me like a long-lost cousin.

In my family, it was always important to place blame when anything had happened.

“Who did this?” my mother would scream about a dirty kitchen.

“This is your entire fault, Katherine,” my father would insist when the cat got out or the dishwasher broke.

From the time we were little, my sister, brothers and I told to each other. We set a place for blame at the dinner table.

But the Whites didn’t worry about who had done what. They picked up the pieces and moved on with their lives. The beauty of this was driven home to me the summer Jane died.

In July, the Whites sisters and I decided to take a car trip from their home in Florida to New York. The two older sisters, Sarah and Jane, were college students, and the youngest, Amy, had recently turned sixteen. Proud of having a new drivers license, Amy was excited about practicing her driving on the trip. She showed off her license to everyone she met.

The big sisters shared the driving of Sarah’s new car during the first part of the trip, but when they reached less crowded areas, they let Amy take over. Somewhere in South Carolina, we pulled off the highway to eat. After lunch, Amy got behind the wheel. She came to a crossroads with a stop sign. Whether she was nervous or just didn’t see the sign no one would ever know, but Amy continued into the crossroads without stopping. The driver of a large truck, unable to stop in time, ran into our car.

Jane was killed immediately.

I was slightly injured. The most difficult thing that I had ever done was to call the Whites to tell them about the accident and that Jane had died. Painful as it was for me to lose a good friend, I knew that it was far worse for them to lose a child.

When Mr. and Mrs. White arrived at the hospital, they found their two daughters sharing a room. Sarah had a few cuts on the head; Amy’s leg was broken. They hugged us all and cried tears of sadness and of joy at seeing their daughters. They wiped away the girl’s tears and made a few jokes at Amy as she learned to use her crutches(拐杖).

To both of their daughters, and especially to Amy, over and over they simply said, “We are so glad that you are alive.”

I was astonished. No blame. No accusations.

Later, I asked the Whites why they never talked about the fact that Amy was driving and had run a stop sign.

Mrs. White said, “Jane is gone, and we miss her terribly. Nothing we say or do will bring her back. But Amy has her whole life ahead of her. How can she lead a full and happy life if she feels we blame her for her sister’s death?”

They were right. Amy graduated from the University of California and got married several years ago. She works as a teacher of learning-disabled students. She’s also a mother of two little girls of her own, the oldest named Jane.

小题1: How did the author’s parents differ from the Whites?

A.The author’s parents were less caring.

B.The author’s parents were less loving.

C.The author’s parents were less friendly

D.The author’s parents were less understanding小题2:How did the accident happen?

A.Amy didn’t stop at a crossroad and a truck hit their car.

B.Amy didn’t know what to do when she saw the stop sign.

C.Amy didn’t slow down so their car ran into a truck.

D.Amy didn’t get off the highway at a crossroad.小题3:The accident took place in _____.

A.Florida

B.California

C.South Carolina

D.New York小题4:The Whites did not blame Amy for Jane’s death because _____.

A.they didn’t want Amy to feel ashamed and sorry for the rest of her life

B.Amy was badly injured herself and they didn’t want to add to her pain

C.They didn’t want to blame their children in front of others

D.Amy was their youngest daughter and they loved her best小题5:From the passage we can learn that _____.

A.Amy has never recovered from the shock

B.Amy changed her job after the accident

C.Amy lost her memory after the accident

D.Amy has lived quite a normal life

题型:填空题

在新车辆磨合期内要求正确的驾驶操作,()。

A.尽量缩短走合期

B.避免紧急制动

C.避免急转向

D.起步要缓慢

E.不要使发动机高速运转

题型:填空题

仙人掌是值得赞美的。她不管人们怎样评说,说是“刺头”也好,道是“花瓶”也罢,一概不予评论,也不予争论,照样是立地常青,相信春有百花秋有月,夏有凉风冬有雪,时间与实践是会做出公正结论的;照常是节节相连,相信若无闲事挂心头,便是世间好时节,功夫是不负有心人的,成事者从来是不易事的。这段文字主要描述仙人掌值得赞美的原因是( )。

A.仙人掌的情趣是高尚的
B.仙人掌的胸襟是博大的
C.仙人掌的精神是高尚的
D.仙人掌的生命是顽强的

题型:填空题

之所以不能直接把天线作为输出放大器的负载,是因为天线输入阻抗在不同频率时变化很大。()

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