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【简答题】
识读某建筑圆形楼梯详图: 楼梯主要由两段不同半径的圆弧组成,前半段楼梯宽度为( )mm,分为( )级,每个踏步外端宽度为( )mm。
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举一反三
【多选题】SubString(&Sub,S,pos,len)的初始条件是:
A.
串S存在，1≤pos≤StrLength(s)
B.
0≤len≤StrLength(s)-pos+1
【单选题】I’m going to have to take these clothes off, for I ’m _____ to the skin!
A.
dipped
B.
soaked
C.
immersed
D.
submerged
【单选题】若SubString(Sub,S,pos,len)表示用Sub返回串S的第pos个字符起长度为len的子串的操作,则对于S=“Data Structure”,SubString(Sub,S,6,3)的结果为( )。
A.
“ta Str”
B.
“Str”
C.
“tru”
D.
以上均不正确
【单选题】函数SubString(sub,‘DATASTRUCTURE’,1,4),则sub的值为( )。
A.
‘STRUCTURE’
B.
‘DATA’
C.
‘ASTRUCTUR’
D.
‘DATASTRUCTURE’
【简答题】Consider the flow over a 22.2o half-angle wedge. If M 1 =2.5, p 1 =1atm, and T 1 =300K, calculate the wave angle and p 2 , T 2 and M 2 .
【单选题】听力原文： Human population near the equator have evolved dark skin over many generations because of exposure to the fiercest rays of the sun. A similar phenomenon has also occurred in other parts of the a...
A.
It has a flattened shape
B.
It has an extra layer of pigmented tissue
C.
It has a furry covering
D.
It has a large cranial cavity
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