关于抗原的特性，正确的是
A．有免疫原性B．有免疫反应性C．有免疫原性和免疫反应性D．分子量在一万以上E．能与所有抗体结合
参考答案：C
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根据表格内容回答下列问题。
1. When does Jackie get up?
2. What does Sally do at 5 0'clock?
3. Why does Hisae want to visit China and America?
4. Who is Paul's favorite teacher?
5. Why don't they like science?
感官指标是何类食品腐败变质最为敏感的指标（）
A.鱼肉类
B.脂肪类
C.碳水化物类
D.淀粉类
E.粮谷类
