It has been proved_______eating vegetables in childhood helps to protect you against serious

illnesses in later life.[ ]

A. if                        

B. because

C. when                      

D. that

属氨基苷类的药物是

A．阿普唑仑
B．环丙沙星
C．妥布霉素
D．利巴韦林
E．阿奇霉素