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【单选题】
Michael Phelps has won _________ Olympic medals.
A.
26
B.
28
C.
24
D.
23
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【单选题】在下滑道的上面,90HZ和150HZ调制信号的幅度为:()
A.
90HZ幅度等于150HZ幅度;
B.
90HZ和150HZ幅度为零;
C.
90HZ幅度大于150HZ幅度;
D.
90HZ幅度小于150HZ幅度;
【简答题】My grandparents live in a small 1 __________ (what?). They always get up at about 2 __________ (what time?). Grandpa works 3 ___________ (where?) and Grandma is always 4 ___________ (how?) at home. Th...
【单选题】在下滑道的上面,90Hz和150Hz调制信号的幅度为
A.
90Hz幅度等于150Hz幅度
B.
90Hz和150Hz幅度为零
C.
90Hz幅度大于150Hz幅度
D.
90Hz幅度小于150Hz幅度
【简答题】Singles' Day ---- the Chinese opposite of Valentine’s Day has turned into a massive online shopping . It is a day when single people are supposed to buy themselves presents. But there are socio...
【单选题】现有列表 ls=[1,2,3,4,5,6,7,8,9,0],那么python3解释器执行 ls[3::-1] 的结果是__ 。
A.
[4,3,2,1]
B.
[4,5,6,7]
C.
[7,6,5,4]
D.
[1,2,3,4]
【单选题】Many first-year students prefer to live in ______ because they are convenient to both academic and social activities.
A.
off-campus dormitories
B.
on-campus dormitories
C.
off-campus apartments
D.
home-stay families
【单选题】常见计算机病毒的特点有( )
A.
良性、恶性、明显性和周期性。
B.
周期性、隐蔽性、复发性和良性。
C.
隐蔽性、潜伏性、传染性和破坏性。
D.
只读性、趣味性、隐蔽性和传染性。
【单选题】常见计算机病毒的特点有:
A.
只读性、趣味性、隐蔽性和传染性
B.
良性、恶性、明显性和周期性
C.
周期性、隐蔽性、复发性和良性
D.
隐蔽性、潜伏性、传染性和破坏性
【判断题】Young people prefer to live in smaller cities as they feel satisfied with the comfortable and slow pace.
A.
正确
B.
错误
【单选题】列表ls=[[1,2,3,4,5,6,7,8,9],以下选项中描述错误的是
A.
ls可能是- -维列表
B.
ls 可能是二维列表
C.
ls可能是多维列表
D.
ls可能是高维列表
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