知名度主要是衡量舆论评价（）的大小。
A、“量”
B、“质”
C、“美”
D、“丑”
参考答案：A
No chicken or duck ______ in the supermarket since the first case of H7N9 was reported dead.
A．has been sold
B．was sold
C．is sold
D．are sold
能加重炎症扩散
A．佝偻病病儿B．链球菌感染C．由于新生儿皮肤娇嫩，白细胞趋化性差，免疫球蛋白不足D．肾上腺皮质激素抑制血细胞功能和抗体形成E．脊柱裂下肢瘫痪病
