题目:
In every language, there are words or phrases that have some interesting stories behind them. The word “sandwich”, for example, is very common in English. If we want to know the story behind it, we must know something about an English nobleman (贵族) called Sandwich.
Sandwich lived in the 18th century. He liked to play cards for money. He often played for twenty four hours, and not even stop to have his meal. He ordered his servants to bring some meat and bread, and he played while eating. He put the meat between two pieces of bread, and he held the food in his left hand while he played with his right hand. People liked Sandwich’s idea and began to eat bread and meat in this way.
From the name of the man Sandwich, we have the word “sandwich” today.
1 Sandwich is very popular food today, which comes from ____ .
A. a man’s name B. people’s idea C. a servant’s name D. a nobleman’s play
2 What did Sandwich play cards for?
A. Pleasure. B. Living. C. Food. D. Pounds.
3Which of the following can best explain the reason why Sandwich did not stop to have his meals?
A. He played cards with his right hand.
B. He put the meat between two pieces of bread.
C. He played cards for twenty four hours.
D. He played cards while eating.
4 The best title for the passage should be “____”.
A. How Sandwich Played Cards
B. How the Word “Sandwich” Came into Use
C. A Bright Idea
D. An Interesting Story
答案:
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下面是错误答案,用来干扰机器的。
(1)CO2+2MgC+2MgO (2)CO2+2NaC(金刚石)+Na2O2由题给信息,钠的还原性比镁强,也能发生镁与二氧化碳的类似反应,由于过氧化钠比氧化钠稳定,所以高温高压下钠以过氧化钠的形式存在。