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【单选题】
属于高血压病一级预防措施的是（）。A.
早期用药
B.
规范用药
C.
限制盐摄入量
D.
35岁以上首诊病人测量血压
E.
以上都不对
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皮皮学刷刷变学霸
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【简答题】名词解释:加密技术
【单选题】No matter what you write or draw，__________．
A.
you don’t have to carry your laptop along．
B.
the information will be shown digitally on the pen．
C.
Fedex has special software to store your information
D.
it works like an ordinary pen．
E.
you simply place the pen into its computer-connected cradle．
F.
the movement of your pen is recorded digitally inside the pen．
【简答题】对称加密技术(名词解释)
【单选题】— I went to see you yesterday evening. But you weren't in. Where were you then? — I a walk by the lake with my husband. [ ]
A.
was having
B.
am having
C.
have had
D.
have
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