用所给动词的适当形式填空

1. We          (paint) the house before we           (move) in.

2. That rich old man          (make) a will before he           (die).

3. They          (study) the map of the country before they         (leave).

4. The robbers          (run away) before the policemen           (arrive).

5. We          (learn) about 4000 English words by the end of last term.

6. We were surprised at what she           already         (do).

7. She          (not go) to Qingdao because she           (go) there before.

8. He said he            already         (give) the book to the teacher.

9. She told me she          (be) to Sanya three times.

10. She           (play) the guitar while her sister         (sing).

颈部CT扫描技术的描述错误的是（）.

A.患者仰卧，颈部与床面平行

B.摄取颈部侧位定位像

C.甲状腺扫描范围从第3颈椎下缘至第1胸椎

D.甲状腺的扫描层厚与层间距可用5mm

E.扫描方式：螺旋或非螺旋均可