从《汉书·艺文志，序》可知，西汉成帝时，负责校勘医书的人是（） A.刘向 B.刘歆

任务型阅读。

     Henry was from the USA and he came to London for a holiday.

     One day he was not feeling well, so he went to the clerk(职员) at the desk of his hotel and said," I want to see a doctor. Can you give me the name of a good one?"

     The clerk looked up in a book and then said, "Dr Kenneth Grey. "

     Henry said, "Thank you very much. Is he expensive?"

    "Well," the clerk answered," You have to pay him two pounds for your first visit to him and 1. 50 pounds for later visits. "

     Henry decided to save(节省)0. 5 pound. So when he went to see the doctor, he said," I have come again, Doctor. "

     For a few seconds(秒) the doctor looked at his face carefully without saying anything. Then he said, "Oh, yes. " He looked him over and then said, "Everything goes as it should do. Just continue with the medicine I gave you last time. "

根据短文内容回答问题，每空一词。

1. Where did Henry come from?

  He ___________ from ___________.

2. What did Henry want to do when he didn't feel well?

  He wanted to ___________ a ___________.

3. How much did Henry have to pay the doctor for the first visit?

  He had to pay ___________ ___________.

4. Why did Henry say" I have come again"?

Because he wanted to ___________ ___________.

5. Did Henry get any advice from the doctor?

  __________ , he___________.

I go to school ____________ 8: 00.[ ]

A. on

B. at

C. in

下列变化属于化学变化的是[ ]

A．蒸馏海水获取淡水

B．分离液态空气制氧气

C．熔化玻璃吹制仪器

D．铜制品在空气中生锈

在窗体上画一个名称为Commmld1的命令按钮，编写如下事件过程
Private Sub Command1 Click()
Dim a As String
a=______
For i = 1 To 5
Print Space(6-i)；Mid$(a， 6-i， 2*i-1)
Next i
End Sub
程序运行后，单击命令按钮，要求窗体上显示的输出结果为
5
456
34567
2345678
123456789
请填空。

CNG瓶组供气站一般供气储气规模不宜大于（）m³，供气气规模气规模不宜大于1000户。

A.1000

B.2000

C.3000

D.4000