阅读理解。
A man is going to open a shop selling hats. He wan-ted a good sign to put over his shop. He wrote:
JOHN BROWN HATTERMakes and Sells Hatsfor Ready Money
The first friend gave him the advice that the word"hatter" wasn't needed. So John crossed out the
word " HATTER" . Then he came to another friend for advice.This friend said that it was not polite to
say"for readymoney". So he crossed out" for ready money". The signnow said :JOHN BROWNMakes
and Sells Hats
One day a friend was passing his shop. He saw thissign and said that when a man bought a hat, he
didn'tcare who made it. So John crossed out that word , too.
But when another friend saw " John Brown SellsHats" ,he said, " Of course you sell hats. No one
thinksyou give them away for free. " So, at last the sign read :JOHN BROWN
1 ." For ready money" means _____.
A. pay for the hat here when you buy it
B. if you buy the hat you can pay for it in a few days
C. hats here are only for the people with much money
2. How many friends gave John some advice on how to write the sign?
A. Three.
B. Four.
C. Two.
3._____was crossed out first.
A. "John Brown Sells Hats"
B. " Hatter"
C. "for Ready Money"
4. Each friend has_____thought.
A. no
B. the same
C. his own
5. This story tells us that____.
A. it isn't possible to please everybody
B. it's easy to sell hats
C. sellers must please everybody
CO2(g)+H2(g)，部分数据见下表（表中t2>t1）