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【多选题】
如何处理电子邮件()
A.
邮箱的用户账号必须设置强口令
B.
直接删除来源、内容不明的邮件
C.
邮件附件中如果带有.exe等后缀的文件,应确认其安全性后打开
D.
对于安全性要求高的邮件应加密发送
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参考答案:
举一反三
【简答题】一个模块的控制范围指 的集合。
【简答题】________ ships carry standardized metal containers in which packaged goods are stowed. ________ vessels carry in their holds(货舱) and above ________ all types of goods, usually packaged ones. These ve...
【单选题】在指数平滑法中,平滑系数α的取值范围为( )。
A.
0.3
B.
0
C.
—∞
D.
—1
【简答题】Containerization of such goods facilitates efficient mechanized handling of the cargo, and thus saves time and money, and also reduces pilferage(偷盗). Shipping ________ come in two lengths, 20 feet an...
【单选题】在指数平滑法中,平滑系数α的取值范围为( )。
A.
0.3<α<0.7
B.
0<α<1
C.
-∞ <α<+∞
D.
-1<α<1
【判断题】一个模块的控制范围是指由该模块中包含的判断处理所影响到的所有其他模块的集合。
A.
正确
B.
错误
【单选题】Every year, Americans use over one billion sharp objects to administer healthcare in their homes. These sharp objects include lancets, needles, and syringes. If not disposed of in puncture-resistant c...
A.
do not place sharp objects in puncture?resistant containers
B.
. come in contact with sharp objects that have not been placed in secure containers
C.
are careless with sharp objects such as lancets, needles, and syringes in their homes.
D.
. do not mark the containers they pick up with a warning that those containers con?tain sharp objects.
【简答题】The container ship is different from the conventional type and is an innovation noted for easier handling and quicker turnover of cargoes. Cargoes to be carried by this type of ship are pre-packed int...
【单选题】在指数平滑法中,平滑系数a的取值范围为: ( )
A.
0.3<a<0.7
B.
0<a<1
C.
-∝<a<+∝
D.
-1<a<1
【简答题】一个模块的作用范围指受该模块内______影响的所有模块的集合。一个模块的控制范围指______及其______的集合。
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