1.The small local coal mines are closing at a_____of three a year.
问题描述：
1.The small local coal mines are closing at a_____of three a year.
A.speed B.rate C.step D.pace
2.Nowadays,many people like to send short_____through mobile phones to greet each other.
3.Seeing the _____that the students were busying preparing their lessons.I couldn t help expecting all of them to be admitted by colleges.
A.scenery B.sight C.view D.scene
答
1,A.speed
2,messages
3,scene