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【单选题】
设有事务 T1 和 T2 ,其并发操作顺序如下图所示。该并发操作带来的问题是( )。 T1 T2 1 READ (A) 2 READ (A) 3 A=A-1 4 WRITE (A) 5 A=A-1 6 WRITE (A)A.
丢失更新
B.
不可重复读
C.
读了“脏数据”
D.
写错误
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】He was silent with conceit of his son, Mrs. Morel sniffed, as if it were nothing"(sons and lovers by D. H. Lawrence) Form the above quotation, we can see that Mrs. Morel's attitude to her husband is _...
A.
sincerely warm
B.
genuiely kind
C.
seemingly angry
D.
merely contemptuous
【单选题】“He was silent with conceit of his son. Mrs. Morel sniffed, as if it were nothing.”（Sons and Loversby D.H.Lawrence）From the above quotation, we can see that Mrs. Morel's attitude to her husband is ___...
A.
sincerely warm
B.
genuinely kind
C.
seemingly angry
D.
merely contemptuous
【单选题】7, “He was silent with conceit of his son. Mrs. Morel sniffed, as if it were nothing.” ( Sons and Lovers by D.H.Lawrence ) From the above quotation, we can see that Mrs. Morel's attitude to her husban...
A.
sincerely warm
B.
genuinely kind
C.
seemingly angry
D.
merely contemptuous
【简答题】“低碳生活”已成为热门话题．下列做法不符合“低碳生活”理念的是（ ） A．骑自行车上班、上学 B．课本留给下个年级同学循环使用 C．讲究卫生，尽量用纸手帕而不用布手帕 D．拒绝使用一次性木筷
【单选题】They have been told that if they want to build a highway between the two towns, they should first try to____ how much it is going to cost.
A.
ignore
B.
determine
C.
realize
D.
recongnize.
相关题目：
【简答题】“低碳生活”已成为热门话题．下列做法不符合“低碳生活”理念的是（ ） A．骑自行车上班、上学 B．课本留给下个年级同学循环使用 C．讲究卫生，尽量用纸手帕而不用布手帕 D．拒绝使用一次性木筷