用“二分法”可求近似解，对于精确度ε说法正确的是 A．ε越大_爱下问搜题

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问题选择题

用“二分法”可求近似解，对于精确度ε说法正确的是

A．ε越大，零点的精确度越高
B．ε越大，零点的精确度越低
C．重复计算次数就是ε
D．重复计算次数与ε无关

答案

答案：B

单项选择题 A1/A2型题

CT的发明者是（）

A.Cormack

B.Ambrose

C.Hounsfield

D.Ledley

E.Roentgen

阅读理解

Short Story Contest : Win $8,000
First Prize $5,000 in Cash
Writers Creative Writing Correspondence Program offers non-professional authors an opportunity to have a novel, book of short stories, volume of poetry, or a work of creative non-fiction, critiqued(评论) by professors and professionals.
Second Prize $2,000 / Third Prize $1,000

Short Story Contest Rules
·The contest begins at 9 am Friday, November 29, 2008 and ends at 4 pm Thursday, January 17,2009.
·The contest is open to all residents of Ontario who are at 16 or over, except for employees, judges, and anyone living with any employee of the sponsors or judges.
·The author’s name, address, phone number, and a 25-50-word self-introduction must be included with each entry on a separate sheet of paper. The name of the author should not appear in the story itself.
· Stories must be original and unpublished up to the time the winners are declared on June 23, 2009.
·Stories must be written on a computer or typewriter, be double-spaced and no longer than 2,500 words. Total word count should be printed on the front page of the story.
· No changes to a story are allowed once the Star receives your entry. Manuscripts will not be returned.
· A $5 entry fee must accompany each entry. Cheques or money orders should be made out to the Sunday Star Short Story Contest. Please do not send coins.
·Winners will be informed by telephone between 9 am and 5 pm on June 23, 2009.
·Professors from the writing Centre at Ryerson University will complete the first round of judging. Another group of professional writers will select the final three.
SEND YOUR STORY TO:
SHORT STORY CONTEST, THE SUNDAY STAR ONE YONGE STREET, TORONTO, Ontario M5E1E6
Full contest rules are available at www.the star.com / contests Tel: 416 – 367 – 2000
56. Which of the following is allowed to be written on the front page of the story?
A. The total word count.                 B. The author’s name.
C. The author’s self-introduction.          D. The author’s phone number.
57. From the above advertisement, we can find out ______.
A. the topic of the stories
B. the number of winners
C. the money the sponsors give to the organizer
D. the total number of contestants
58. It can be learned from the passage that ______.
A. Winners will get a book of short stories besides the money
B. Citizens over 16 living in Ontario can compete in the contest
C. Contestants should send printed stories to the organizer
D. Professors from universities will decide the winners