同学们共栽树96棵,其中4棵没有成活,成活率是96%。[ ]
错误
They used to quarrel a lot, but now they are completely ______ with each other.
A. reconciled B. negotiatedC. associated D. accommodated
下述设备中采用单工通信方式的是()。
A.对讲机
B.手机
C.无线电广播
D.有线电视