如果1-x是正数,那么x的取值范围是( )
A.x>0
B.x<0
C.x>1
D.x<1
由题意,得1-x>0,
解得x<1.
故选D.
根据句意用所给词的适当形式填空。
1.—Do you know the _________(interview) on TV?
—Of course. He’s Shui Junyi from CCTV.
2. The doctors didn’t know what caused the old man’s ________(blind).
3. Can I have a________(medicine) examination today? I don’t feel well.
4.—How is Miss King?
—She is still under________(treat) in hospital.
5. Dr. Brown felt tired because he had two________(operate) in the day.
负责接收和保管所管辖范围内应当永久和长期保存的工程档案和有关资料的单位是( )。
A.建设单位
B.监理单位
C.施工单位
D.城建档案管理部门