【简答题】 Passage Two: Today, ultrasonic( 超声的 ) waves are being put to work in laboratories and factories. If an ultrasound generator is placed in a liquid, the waves move the liquid back and forth hundreds o...
【简答题】 选词填空 rebellious resent distract sensible reinforce status saddle allowance resort transition 1.The film attracted me so much as to_______ my mind from those problems. 2.He who is sound in m...