以下民事法律行为中所附的条件有效的是A．如果一年内你能走私五辆汽车，我就同意把公司承

《政府采购法》实施以来，关于国务院办公厅公布的中央预算单位政府采购管辖的最低限额标准，其中公开招标限额标准为：货物和服务单项或批量为（）万元，工程为200万元。

A．50

B．80

C．120

D．150

____________ summer, all the children are very happy. [ ]

A. To

B. In

C. On

As the income is increasing,the________of family life has been changing over recent years. [ ]

A. model  

B. character

C. process  

D. pattern

---Ring me at six tomorrow morning, will you ?

---Why that early ? I _____then.

A．have slept

B．have been sleeping

C．will sleep

D．will be sleeping

发卡银行对贷记卡账户的存款、储值卡（含IC卡的电子钱包）内的存款计付利息吗?