更多"8 marbles in a bag, 4 red and 4 whi"的相关试题:
[单项选择]A bag contains 3 red, 4 white, and 5 blue marbles. Jason begins removing marbles from the bag at random, one at a time. What is the least number of marbles he must remove to be sure that he has at least one of each color
A. 3B. 6C. 8D. 10E. 12
[单项选择]Which is Lucy’s bag, the yellow one______the red one
[A] and [B] but [C] or
[单项选择]Marbles （）once not confined to children.
A. was
B. is
C. were
D. are
[单项选择]
One randomly selected group saw a speaker lecture on environmental ethics to a large, attentive audience, and a different randomly selected group saw the same speaker give the same lecture, with identical mannerisms, but to a smaller, less attentive audience. The first group called the speaker thoughtful and assured. The second group called the speaker vague and long-winded.
The information above can best serve as part of an argument against which of the following claims（）
A. The same social behavior can appear quite differently to different people when it is viewed in different social contexts
B. If the second group had seen the speaker lecture to a more attentive audience, its judgment of the speaker’s personal qualities might well have been different
C. People’s judgments of a speaker’s personal qualities are based primarily on what the speaker says and the mannerisms with which the speaker says it
D. A listener’s convictions about a speaker’s claims can be influenced by other people’s reactions to those claims
E. A randomly selected group can sometimes arrive at a consensus about the personal qualifications of a speaker in a particular social situation
[填空题]Bob spent fifteen dollars on the bag.
The bag ______ him fifteen dollars.
[单项选择]Whose bag is it
A. Jane’s.
B. Mary’s.
C. Jane and Mary’s.
[单项选择]已知a，b为实数，则a≥2或b≥2。（）
（1）a+b≥4
（2）ab≥4
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（2）单独都不充分，条件（1）和条件（2）联合起来也不充分
[单项选择]
Red Cross December Blood Drive
The Red Cross would like to thank its regular donors for all their contributions. Without your help, we could not continue with our good work. Every pint of blood that you donate allows us to help people in need. Your blood saves lives. Our next blood drive will
(141) on December 22nd, from 9 a.m. to 7 p.m. It will be held at the Red Cross Hall on Lion Street. We are staying open later than
(142) so that working people can drop by after work. If you have donated before, please bring your registration card to save time. First time donors are also more than welcome. Please
(143) your friends and family members to come along, too.
Giving up less than one hour of their time could give many more years of life to another person.
A. hold
B. be held
C. have held
D. have been holding
[单项选择]A Red, Red Rose is written by（）
A. William Wordsworth.
B. Robert Burns.
C. William Blake.
D. John Keats.
[单项选择]Where is the school bag
A. It is under the blanket.
B. It is under the bed.
C. It is at the foot of the desk.
[单项选择]The famous poem A Red, Red Rose was written by ______.
A. Wordsworth
B. Byron
C. Burns
D. Keats
[单项选择]
What size bag does the woman want
