多音字组词
绿lǜ____ lù____
长zhǎng____ cháng____
下列说法中指时刻的是( )
如果(a2+pa+8)(a2﹣3a+q)的乘积不含a3和a2项,那么p,q的值分别是( )
seldom, Britain, over, teach, two