已建立的快速检测艰难梭菌毒素的方法是()
A.试管凝集试验
B.玻片凝集试验
C.乳胶凝集试验
D.SPA协同凝集试验
E.间接血凝试验
参考答案:C
His ____ as captain of the football team lies in his ability to gain the respect of his men.
A.weight
B.strength
C.energy
D.balance
松树与桃树种子不同之处是( )
A.松树种子无种皮包被
B.松树种子无果皮包被
C.松树果皮内无种子
D.松树种皮和果皮紧贴