问题 单项选择题

扫描仪是将图片、照片或文稿输入到计算机的一种设备。下面是有关扫描仪的叙述:Ⅰ.平板式扫描仪是单色扫描仪,阴影区细节丰富、放大效果好Ⅱ.有些扫描仪既能扫描照相底片等透明图件,也能扫描图纸等不透明图件Ⅲ.胶片扫描仪是一种透射式扫描仪,主要扫描幻灯片和照相底片,光学分辨率很高,大多用于专业领域Ⅳ.滚筒式扫描仪因其体积大、价格高、速度慢,目前已逐渐被淘汰上述叙述中,哪些是正确的?

A.Ⅰ、Ⅱ和Ⅲ

B.Ⅰ和Ⅳ

C.Ⅱ和Ⅲ

D.Ⅱ和Ⅳ

答案

参考答案:C

解析:平板式扫描仪可以扫描彩色,所以Ⅰ是错的。Ⅳ项的滚筒式扫描仪是专业印刷排版领域中应用最广泛的产品,并没被淘汰。所以答案是C。

判断题
阅读理解

Twelve-year-old Paul Crossnickle has lived as a hero for six years now. It wasn’t until he wrote a composition for a recent class project, however, that he got the recognition he should have got.

On July 27, 1991, Paul saved his three-year-old sister Julie from drowning in the family swimming pool. When he found her, he jumped in, pulled her off the bottom and brought her to the ground.

Their father was trying to bring Julie to life when fire fighters arrived. She survived without serious injury.

Last month, in Paul’s seventh-grade language arts class at Juniper Elementary School, teacher Liliana Mauro asked students to write about an important event in their lives. Paul wrote about rescuing Julie.

“He was somewhat disappointed, for he was never recognized for his deed,” Principal Mondragon said. “Mrs. Mauro telephoned the Fire Department and looked into what they could do for him.”

The school held a regular gathering for their teachers and 200 pupils, which surprised Paul Firefighters from a local station joined Assistant Fire Chief Dave Horn and the city officials who presented Paul with a plaque (徽章) that recognized him “for his heroic efforts preventing a needless loss of life in a near-drowning accident.”

Paul’s parents, Alan and Kathy Crossnickle, were there as well as Julie.

“Paul’s story was one of success…and his sister was able to survive with all her faculties in place,” fire Captain Steve Valenzuela said. “This should remind everyone else that because of Paul’s quick action, knowing to get his sister out of the pool and calling 911 and beginning CPR probably saved her life.”

65. The correct order of the story is _____.

a. Paul became a known hero      

b. Paul wrote a composition    c. Paul pulled his three-year—old sister off the bottom.      d. Paul’s parents were present at the gathering.   

e. Mrs. Mauro connected the Fire Department    f. Paul was given a plaque.

A. a, b, c, d, e, f         B. c, a, b, d, e, f       C. c, b, e, d, f, a      D. b, c, a, e, f, d

66. Fire Captain Steve meant that _______ when he said that Julie survived “with all her faculties in place.”

A. Julie was saved undamaged             

B. Julie was frightened though she was saved

C. Julie was sent to hospital without delay    

D. Julie was able to return to the place because of Paul’s rescue

67. What conclusion can we get from the text?

A. Paul’s parents didn’t want Paul to be a hero at all.

B. The school wanted other students to learn from Paul.

C. Mrs. Mauro was fond of Paul very much.

D. Paul looked forward to being a hero for six years.