小儿发生佝偻病的主要原因是（）
A.日光照射不足
B.摄入不足
C.疾病因素
D.生长因素
E.药物因素
参考答案：A
It’s significant for graduates to find a proper job, in which they can bring their potential into full play not just a considerable income.
A．one
B．what
C．that
D．it
On hearing the _____ news that they had won the match, they shouted for joy in _____ voices.
A．exciting, exciting
B．excited, excited
C．excited, exciting
D．exciting, excited
