女性,30岁,突然出现恶心.呕吐.呕血,四肢皮肤有瘀斑,身边有杀鼠药该杀鼠药最可能是()
A.毒鼠强
B.氟乙酰胺
C.氟乙酸钠
D.溴鼠隆
E.磷化锌
参考答案:D
Strong typhoons hit this area very ____. Normally, they form and come here between July and August every
year. [ ]
A. generally
B. regularly
C. usually
D. suddenly
在windows XP中,不小心对文件或文件夹进行了错误操作,可以利用“编辑”菜单中的撤消命令或按Ctrl+Z键,取消原来的操作。 ( )