住房循环贷款押余额度内的贷款，须在办妥最高额抵押登记后发放。
参考答案：对
He is a success as a leader but he hasn't _____ in teaching. [ ]
A. many experiences
B. much experience
C. an experience
D. a lot experience
以下食品中，绿色食品是（）。
A.香肠
B.猕猴桃
C.肉松
D.火腿
