题目内容

It was a beautiful day with a blue sky and a gentle _________.

A. wind
B. breeze
C. gale
D. draft

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Teenage mothers often have no _________ but to live with their parents.

A. opinion
B. optical
C. optimist
D. option

This species of plant is becoming increasingly _________.

A. unusual
B. exceptional
C. rare
D. eccentric

在Sql Server的事务处理中,开启一个事务可用Begin Transaction,提交事务和撤销事务应使用____________和___________。

若事务T对数据对象A加了S锁,则其他事务只能对数据A再加 ① ,不能加 ② ,直到事务T释放A上的锁。

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