可诉补贴是那些既不被一律禁止，又不能自动免于质疑的补贴，又被称作（）。
A.红灯补贴
B.黄灯补贴
C.绿灯补贴
D.蓝箱补贴
参考答案：B
拍摄胸部平片是应（）
A.深呼气后屏气曝光
B.深吸气后屏气曝光
C.平静呼吸下屏气曝光
D.平静呼吸下曝光
E.任何状态下均可曝光
填空
1. He studies English as____ (careful) as he used to.
2. I used to____ (be) unhappy.
3. She used___ (listen) to the music after finishing her homework.
4. I hate to play football. But I enjoy_ _(watch) football matches.
5. I used to hate sports ,but now I've become____ ( healthy) than before.
