肾衰竭型钩体病与肾炎的鉴别点有（）
A.浮肿不明显
B.无明显的肌痛
C.无眼结膜充血
D.血压正常
E.无急性传染病发病过程
参考答案：B, C, E
What had previously been regarded as ______ property was made collective in the Land Reform
Movement. [ ]
A. personal
B. individual
C. own
D. private
设有两个事务T1和T2，其并发操作序列如下表所示。则下面说法中正确的是
A．该操作序列不存在问题
B．该操作序列丢失更新
C．该操作序列不能重复读
D．该操作序列读出“脏”数据
