液压油压油使用号数是（）号。A、25-30# B、15-20# C、40-50#

阅读下面的短文，把短文中5个画线部分的句子翻译成中文 。

      1. Over l60 years ago, there were no stamps in the world. People had to pay a lot of money for

receiving a letter.

     One winter day the north wind was blowing hard. 2. A postman came to a small village in

England.

     "Here's a letter for Alice," he shouted.

     "I'm Alice,"a girl said, The postman gave her the letter.

     Alice looked at the envelope (信圭寸) for a minute and gave it back to the postman.

     3. "I'm sorry. I don't have enough money for it. "

     Then a man came up and said to the postman. "I'll pay for Alice's letter. "

     "No, thank you. "said the girl. 14. There's nothing inside. "

     "Really?"asked the man,"How do you know that?"

     "This letter is from Tom. Look, sir. This cross in the corner means he is well, and this circle

means he has found work. "

      The man was Sir Rowland Hili. He could not forget Alice and the letter. He decided to do some

thing about it. He knew it wouldn't be easy.

     5. About twenty years later the first stamp in the world began to be used in 1840. This stamp was

the "Penny B1ack".

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汽轮机极热态启动：高压内缸调节级金属温度和中压缸第一级叶片持环温度高于（）℃。

由生物医学模式转到生物-心理-社会医学模式，要求临床医师

A．不仅关心病人的躯体，而且关心病人的心理
B．注意克服人-物-人的物化趋势
C．维护和尊重患者的知情同意权
D．正确处理同行关系
E．不能以医谋私

下面的海和海峡中，（）是我国的内海。

A、琼州海峡

B、台湾海峡

C、黄海

D、渤海

蓄电池不要长时间大电流放电，每次起动不超过（），连续起动间隔（）。