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【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
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【简答题】IP 地址分为 A 、 B 、 C 、 D 、 E 五类,若网上某台主机的 IP 地址为 1 20.195.128.11 ,该 IP 地址属于( )类地址。
【单选题】—Who called just now, Sam? —It’s Mona. She asked _____.
A.
that Peter was in
B.
if was Peter in
C.
if Peter was in
D.
whether was Peter in
【单选题】— Who called just now, Sam? — It's Terry. She asked _____. [ ]
A.
that Alice was in
B.
if was Alice in
C.
if Alice was in
D.
whether was Alice in
【单选题】______ called just now, but he didn't mention his full name.
A.
Mr. Williams
B.
The Mr. Williams
C.
A Mr. Williams
D.
That Mr. Williams
【简答题】IP地址分为A、B、C、E、D五类,若网上某台主机的IP地址为155.129.10.10,该IP地址属于____类地址
【单选题】His mother _______ when he called just now. [ ]
A.
is cooking
B.
cooked
C.
was cooking
D.
would cook
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