读祁连山地区经纬网、等高线示意图,嘉峪关的经纬度大约是( )
A:39.8°N,98.3°E
B:39°N,99°E
C:40.2°N,101.8°E
D:39°N,99°W
若分式2x-5有意义,则x的取值范围是( )
Jack, can you help me ________ the chair to the other side?