烟花爆竹零售单位（）自己到烟花爆竹批发公司仓库直接提货。A.不得 B.也可以 C.允

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     Mr Baker worked in a big factory. He was busy all the time and had little time to rest. One summer,

he decided to go to the sea to spend his holidays.

     One afternoon, it was very hot. Mr Baker came into a restaurant, sat at a table and wanted to drink.

Just then, an old man came up to him and said, "How do you do, sir?" "How do you do?" Mr Baker

asked the old man to sit next to him. "Have you been here before?" "No, I haven't." "You look lonely,

don't you?" said the old man. "Let's have a bet(打赌), shall we?"

     It interested Mr Baker, "But what shall we bet on?" "I can bite my left eyeball," said the old man, "I

can bet you five dollars."

     Mr Baker didn't believe and passed $5 on the table.

     The old man took out his glass eyeball, put it into his mouth and bite it. Mr Baker had to give his

 money.

     "It doesn't matter young man," the old man said. "I'll give you a chance to win the money back. I can

also bite my right eye. I'll bet you $10."

     "I'm sure he's able to see. And I must win his money," he thought. So he took out ten dollars from

his wallet.

     But he was very surprised, the old man took out his false(假的) teeth and bit his right eye with it.

Then he put the money into his pocket and went away quickly.

1. Mr Baker went to the sea ________.

A. to swim  

B. to have a rest  

C. to drink something

D. to make a bet

2. The old man said hello to Mr Baker because ________.

A. they were good friends

B. he wanted to ask for some food

C. he wanted to drink with him

D. he wanted to win money

3. The old man was blind(瞎的) in ________.

A. both eyes  

B. neither eye  

C. the right eye  

D. the left eye

市电停电后应在（）内正常启动发电机组并供电

A、5分钟。

B、10分钟。

C、15分钟。

箭头卡环最常用于（）

A.中切牙

B.侧切牙

C.尖牙

D.双尖牙

E.第一磨牙

青年扁平疣的致病病原体是（）

A.DNA病毒

B.RNA病毒

C.立克次体

D.病原体不明

E.副黏病毒

不属椎间盘的组成部分是（）

A.前纵韧带

B.上软骨板

C.下软骨板

D.纤维环

E.髓核