入境活动物和来自动植物疫情流行国家或地区的检疫物需在入境口岸报检并实施检疫。( )
参考答案：对
I wonder why Jack always gets good marks when he does only ______ the others.
A．half as much as
B．as much as half
C．half as many as
D．as many as half
有关长效口服避孕药特点，错误的是：
A．长效雌激素储存于脂肪组织内缓慢释放，起长效避孕作用
B．服药1次可避孕1个月
C．停用长效避孕药时，不需服用短效避孕药作为过渡
D．副反应及临床表现类似短效口服避孕药
E．避孕效果与给药方法有关
