How many positive prime numbers are less than the integer n ？（）
(1)14＜n＜20
(2)13＜n＜17
W: There are many interesting stories about how a baby learns to say its first word. Now, Mark, would you like to share your story with us
M: OK, here is my story. I was about 18 months old, I think. And I had just started saying my first word. Every time a truck went by, I shouted a word that sounded like "truck", but to everyone else it sounded nothing like it. My parents tried to correct me, but failed. Then about 3 months later, we traveled to New York.
As we were waiting for our plane at the airport, I looked out of a huge window. At that very moment, I saw the largest truck in the world. I had to tell someone about this. I turned to my father, who was standing next to about a thousand people waiting for flight, and screamed "Truck! Truck!" My father tried hard to shut me up, but I was so excited and I kept screaming my special word. My poor mother decided that she didn’t know this baby and ran to the lady’s room where she hid
A. About 18 months.
B. About 21 months.
C. About 24 months.
| 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 varies 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 ran industry, the lower the average wages. Why do women earn less than men do Can the differences be 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-paying jobs in which workers enjoy the freedom of entering and leaving the lab A. To ensure equal pay for women. B. No solution is clearly suggested. C. To explain why women are paidless. D. To force employers to hire more women. 我来回答: 提交
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