物联网(Internet of Things)的概念是在()年由美国的科学家首次提出的。
A.2010
B.1999
C.2005
D.2009
参考答案:B
. Little ______ about her own safety, though she was in great danger herself.
A.did Rose care
B.Rose did care
C.Rose does care
D.does Rose care
在以下关于过程调用的叙述中,正确的是
A.实参与形参的个数必须相等
B.当实参的个数多于形参个数时,多余的实参将被忽略
C.在过程调用中,只能按值传送
D.在过程调用中,只能按地址传送