My brother gets a_______out of collecting coins and he has got a very large collection.

A．favor

B．career

C．kick

D．habit

下列对热抵抗力最强的是

A．伤寒杆菌

B．大肠埃希菌

C．结核分枝杆菌

D．金黄色葡萄球菌

E．乙型溶血性链球菌