Ananeroidbarometerisaninstrument______Ausedtomeasu

An aneroid barometer is an instrument ______.

A.used to measure the speed of wind

B.in which the pressure of air is measured

C.that tells which direction a storm is coming from

D.used to measure the height of waves

正确答案：B
无液[空盒]气压表是测量空气压力的一种仪器