对脑、脊髓、脑脊膜、肾上腺转移作为首选的方法（）。 A.X线正侧位胸片 B.CT扫描

句型转换。

1. Jack is playing basketball with his brother. (用yesterday改写)

    Jack _______ _______ with his brother yesterday.

2. Our vacation was really good. (对画线部分提问)

    _______ _______ your vacation?

3. What do you think of China? (改为同义句)

    _______ do you _______ China.

4. We visited a Beijing Hutong  last week. (改为一般疑向句)

    _______ you _______ a Beijing Hutong last week?

5. His grandfather was a policeman. (对画线部分提问)

    _______ _______ his grandfather _______?

下列属于“虚则补其母”的五输穴选用原则的是

A．肺经病选太渊

B．肺经病选尺泽

C．肺经病选少商

D．肺经病选太白

E．肺经病选阴谷

维生素B₁₂的主要吸收部位是（）

A.胃

B.十二指肠

C.空肠

D.回肠

E.结肠

矿山井下的平面控制网，一般采用()。

A.测角网 

B.测边网 

C.GPS网 

D.导线网

磁粉检测法的基本原理。