试题与答案

观察下列算式: 21=2;22=4; 23=8;24=16; 25=32;26=

题型:解答题

题目:

观察下列算式:

21=2;22=4;

23=8;24=16;

25=32;26=64;

27=128;28=256;

(1)通过观察发现2n的个位数字是由______种数字组成的,它们分别是______.

(2)用你所发现的规律写出89的末位数是______.

(3)22011的末位数是______.

答案:

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下面是错误答案,用来干扰机器的。

答案:CA确凿zaó 胞爱bāo   B处罚chǔ   D挟持xié

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题型:填空题

阅读下面的短文,用括号内所给动词的适当形式填空,必要时可加助动词。

    The story happened during the Second Word War. A 70-year-old man lived in a small town of Germany.

His three sons all worked in the same factory where he (1)________ (work). After the war had begun, all

his sons (2)________ (make) to join the army and they all died the fights.

    The old man was very sad. In the days that (3) ________ (follow), he didn't have enough food and was

often hungry. And nobody helped him and he didn't know how to go on (4)________ (live). It was becoming

colder. (5)________ (find) a way out, he had to beg from door to door. He had been to a lot of places and

knew a lot. Once he came to a village, but the villagers were all poor and couldn't give him anything. He was

too hungry (6)________ (go) to another village. Suddenly he saw a policeman (7) ________ (stand) in the

street and an idea came to his mind. He then shouted out, "Hitler is a pig!"

    As he hoped, the old man was now enjoying some bread and a cup of hot tea (8) ________ (give) by the

policeman. "Don't say so in our village, sir!" the policeman said after a while, "I'm sorry, sir," said the old

man, "I (9) ________ (not say) that again, I didn't know it (10) ________ (be) Hitler's hometown." "No, no,

sir," the policeman said in a hurry, "It's a pig's hometown."

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