【B9】
A. quite
B. much
C. so
D. rather
在数据库操作过程中事务处理是一个操作序列，必须具有(29)。
A. 原子性、一致性、隔离性和共享性
B. 原子性、——致性、隔离性和持久性
C. —致性、隔离性、持久性和共享性
D. 原子性、一致性、持久性和共享性
Thousands of Irish people starved during the "Potato Famine" because ______.
A. they were so dependent on the potato that they refused to eat anything else
B. they were forced to emigrate to America
C. the weather conditions in Ireland were not suitable for growing the potato
D. the potato harvest was bad
关于期房折扣说法正确的是()。
A. 对付款购买期房的顾客提供优惠减价
B. 对迅速付款的购买者提供减价优惠
C. 向大量购买的顾客提供减价优惠
D. 给在淡季购买或租用物业的消费者提供减价优惠
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