某沿海城区甲肝流行时,毛蚶的作用可能是()
A.传染源
B.传播媒介
C.病毒携带者
D.终宿主
E.以上均非
参考答案:B
汉译英:“商业发票;订货单”,正确的翻译为:( )
A.purchase order; commercial invoice
B.commercial invoice; purchase order
C.commercial invoice; proforma invoice
D.proforma invoice; purchase order
Questions 57 to 61 are based on the following passage.
The word“bullying”(Line 2,Par
A.1)probably means____.A. frightening and hurtingB. teasingC. behaving 1ike a tyrantD. laughing at