皮皮学,免费搜题
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搜题
【单选题】
下列哪种不是人工被动免疫的生物制品
A.
抗毒素
B.
单克隆抗体
C.
丙种球蛋白
D.
类毒素
E.
基因工程抗体
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【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
【判断题】若串S=‘GUSEKOLWJFI’,则SubString(&Sub,S,5,3)的结果是Sub =‘KOL’。
A.
正确
B.
错误
【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】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.
The adaptations of the African grass mouse to its environment
B.
The sleeping habits of the African grass mouse
C.
The effect of intense sunlight on the diet of the African grass mouse
D.
The habitat of the African grass mouse
【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’
【单选题】SubString( sub, “commander“, 4, 3),sub的值为()
A.
der
B.
com
C.
man
D.
mman
【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
【单选题】A drum is a percussion instrument made by ______ a skin or other material over one or both ends of a hollow container.
A.
compressing
B.
strengthening
C.
calculated at
D.
stretching
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