属于甲类传染病的是
A．艾滋病B．流行性斑疹伤寒C．人感染高致病性禽流感D．流行性感冒E．霍乱
参考答案：E
根据语境猜测appreclate词义。
1. Her talent for music was not appreciated.____
2.They deeply appreciated his kindness. _____
3. I am afraid you have not appreciated the urgency of thematter.____
保兑仓业务必须由生产厂家承担（）责任中的任一种。
A.连带责任保证担保
B.货物调剂销售
C.差额退款
D.货物回购
