更多"If the sum r+s is 2 less than the d"的相关试题:
[单项选择]How many integers 72 greater than 10 and less than 100 are there such that, if the digits of n are reversed, the resulting integer is n+9 ？（）
A. 5
B. 6
C. 7
D. 8
E. 9
[单项选择]More than 80 percent of US adults have a less than 10 - percent risk of developing heart disease in the next 10 years, according to a report in the Journal of the American College of Cardiology. Just 3 percent have a risk that exceeds 20 percent.
Only 3 percent of US adults have a more than 10 percent 10 year risk of heart disease.
A. Right
B. Wrong
C. Not mentioned
[单项选择]If k is an integer greater than 44 and less than 51，then which of the following could be the product of 11 and k ？（）
A. 565
B. 550
C. 500
D. 484
E. 440
[单项选择]Old John smoked less than before.
[单项选择]Why will battery buses cost less than conventional buses in the long run
A. They will spread the capital cost over a long period.
B. They will be stronger and last longer.
C. They will use less fuel and cost less to maintain.
D. They will be charged at night when electricity costs less.
[单项选择]How many positive integers less than 20 are equal to the sum of a positive multiple of 3and a positive multiple of 4
A. Two
B. Five
C. Seven
D. Ten
E. Nineteen
[单项选择]How many positive prime numbers are less than the integer n ？（）
(1)14＜n＜20
(2)13＜n＜17
A. 条件(1)充分，但条件(2)不充分．
B. 条件(2)充分，但条件(1)不充分．
C. 条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
D. 条件(1)充分，条件(2)也充分．
E. 条件(1)和条件(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．
[简答题]Directions: Write a composition of no less than 200 Words with the title Space Research on the ANSWER SHEET 2.
[单项选择]How many of the positive integers less than 25 are 2 less than an integer multiple of 4
A. TWO
B. Three
C. Four
D. Five
E. Six
[单项选择]How many positive whole numbers less than 81 are NOT equal squares of whole numbers
A. 9
B. 70
C. 71
D. 72
E. 73
[单项选择]
Less than a week after a recent Russian airline tragedy, a female suicide bomber attacked a Moscow subway station; evidence indicates that Chechen separatists were likely the perpetrators of both attacks. Though the airline tragedy has been confirmed as a terror attack, the perpetrators re- main unknown. A group with links to Islamic jihadis in Pakistan has claimed responsibility for the attack. At the same time, forensic evidence suggests a notorious Chechen rebel group may be behind the attack. Regardless, the prevention of further terrorist attacks is fundamentally tied to Moscow’s deftness in handling grievances of the Muslim-majority state of Chechnya.
Despite the obvious suspicions about terrorist involvement, the Putin administration initially seemed determined to discount that supposition—perhaps to avert critiques of negligent airport security and failure to acknowledge Chechen problems mere days before a scheduled election. Instead, the administratio
A. Chechen separatists arc responsible for this horror event.
B. more evidence is needed to charge the terrorists.
C. the government should do something with Chechen separatists.
D. some technical problems contribute to this horror event.
[简答题]Write your letter with no less than 100 words. Write it on ANSWER SHEET2. Do not sign your name at the end of the letter; use Li Ming instead. You do not need to write the address.
[简答题]Write an essay of no less than 160 words in which you discuss the moral of the following quotation and express your personal views on the subject. Write the passage on the answer sheet.
A fool thinks himself to be wise, but a wise man knows himself to be a fool.
—William Shakespeare
[简答题]Directions:Write an essay of no less than 200 words on the topic given below.Use the proper space on your Answer sheet Ⅱ.
[单项选择]
Passage Four
Women earn less than men do. For example, in 1998 the hourly wages of women in the U. S. were 26% less than those of men. The gap between male and female incomes becomes wider with age. The gap between the labor incomes of young women and young men varies. It’s also clear that jobs in which women are concentrated pay less. The larger the number of workers who are women in an industry, the lower the average wages.
Why do women earn less than men do Are the differences explained by the fact that women are looked down upon If so, the government has to intervene (干预), to force the employers to pay equal wages to equal jobs. However, there is no agreement among economists about the causes of the gap. One view argues that women on the average have chosen low-paid jobs in which workers enjoy the freedom of entering and leaving the labor force, which reduces their years of experience relative to men. Other people say the gap can also be explained
A. young men and young women
B. young women in the same industry
C. middle-aged men and middle-aged women
D. middle-aged women in the same industry
