根据条件“2与的x和的3倍是非正数，x的2倍与1的差小于3”列出的不等式组是______．
不等式组是3(2x+3)≤02x-1＜3．
白喉咳嗽的特点是（）
A.干咳
B.顿咳
C.咳声清脆
D.咳声重浊
E.咳声如犬吠
根据句意和提示写出单词，完成句子。
小题1:I don’t think the sweater belong to______(he).
小题2:---I passed the last exam yesterday.
---Oh, you’re really a ______ (luck) dog.
小题3:Lily is the ________(bad) of the girls at Maths.
小题4:We’ll have a three_________(day) holiday on Tomb Sweeping Day.
小题5:Nobody studies as (happy) as Simon. He really enjoys studying.
