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【简答题】
EPC Gen2 的信息安全措施有哪些?
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皮皮学刷刷变学霸
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【简答题】浮点型默认的数据类型为()。
【简答题】一般带小数点的数或用科学计数法表示的数都被认为是浮点数,它的数据类型默认为( )类型
【单选题】The boy’s parents, who let him play football indoors, rather than the boy ________ to blame for the broken window.
A.
was
B.
be
C.
to be
D.
were
【简答题】听录音，排顺序。 ( ) Good afternoon. ( ) Let's watch TV. ( ) Who's that woman? ( ) Who's that boy? ( ) This is my sister. ( ) She's a girl.
【单选题】— _____ the boy _____ the second picture? — He's my cousin, Peter. [ ]
A.
Who's, in
B.
Who's, of
C.
What's, on
D.
What's, for