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【单选题】
已知L是带头结点的,且p结点既不是首元素结点,也不是尾元素结点。则在表尾插入s结点的语句序列是( )
A.
s.next=p.next; p.next=s;
B.
q=head; while(q.next!=p) q=q.next; s.next=p; q.next=s;
C.
s.next=head.next; head.next=s;
D.
while(p.next!=null) p=p.next; s.next=null; p.next=s;
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举一反三
【判断题】心脏起搏器应归入第85章。A. 错误 B. 正确
A.
正确
B.
错误
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【单选题】()是凭医师和助理医师处方才可以购买、调配和使用的药品。
A.
处方药
B.
非处方药
C.
红色OTC
D.
绿色OTC
E.
保健食品
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【单选题】只显示当前目录下文本文件1.txt第15行至文件末尾的命令是( )
A.
tail -15 1.txt
B.
head 15 1.txt
C.
tail +15 1.txt
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【单选题】Which of the following is a difference between panel and pooled cross-sectional data?
A.
A panel data set consists of data on different cross-sectional units over a given period of time while a pooled data set consists of data on the same cross-sectional units over a given period of time.
B.
A panel data set consists of data on the same cross-sectional units over a given period of time while a pooled data set consists of data on different cross-sectional units over a given period of time
C.
A panel data consists of data on a single variable measured at a given point in time while a pooled data set consists of data on the same cross-sectional units over a given period of time .
D.
A panel data set consists of data on a single variable measured at a given point in time while a pooled data set consists of data on more than one variable at a given point in time.
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【单选题】环境中的不良因素会影响胚胎的正常发育，影响器官的分化和致畸，特别在孕( )周时，最为敏感。
A.
1-3
B.
2-5
C.
3-6
D.
6-8
E.
10-12
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【简答题】根据汉语完下列成句子。 1. There's a small village______ (在…脚下) the mountain. 2. The tombs______ (遍布) an area of 40km. 3. There are many trees on ______ (路的两边). 4. ______ (在过去), there was no hospital in our villa...
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【单选题】听力原文：M: Excuse me, madam. I'm a stranger here and I'm running low on gas, but I can't seem to find a service station anywhere around here. Could you be kind enough to direct me to the nearest one? W: ...
A.
He needs a gas station.
B.
He lost his way home.
C.
He wants to go to the hospital.
D.
He lost the letter to be posted.
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【单选题】在 -20°C 及 101325Pa 下, 1mol 过冷水结冰则 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
ΔS 系统 <0 ， ΔS 环 <0 ， ΔS 总 <0
B.
ΔS 系统 >0 ， ΔS 环 >0 ， ΔS 总 >0 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
ΔS 系统 <0 ， ΔS 环>0 ， ΔS 总 >0
D.
ΔS 系统 >0 ， ΔS 环 =0 ， ΔS 总 >0
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【简答题】横断面调查(cross—sectional in—regressiOn method)
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【多选题】社会学的研究对象包括（ ）。
A.
研究社会过程
B.
研究社会文化
C.
研究社会结构
D.
研究社会行为
E.
研究社会关系
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相关题目：
【判断题】心脏起搏器应归入第85章。A. 错误 B. 正确
A.
正确
B.
错误
查看完整题目与答案
【单选题】()是凭医师和助理医师处方才可以购买、调配和使用的药品。
A.
处方药
B.
非处方药
C.
红色OTC
D.
绿色OTC
E.
保健食品
查看完整题目与答案
【单选题】只显示当前目录下文本文件1.txt第15行至文件末尾的命令是( )
A.
tail -15 1.txt
B.
head 15 1.txt
C.
tail +15 1.txt
查看完整题目与答案
【单选题】Which of the following is a difference between panel and pooled cross-sectional data?
A.
A panel data set consists of data on different cross-sectional units over a given period of time while a pooled data set consists of data on the same cross-sectional units over a given period of time.
B.
A panel data set consists of data on the same cross-sectional units over a given period of time while a pooled data set consists of data on different cross-sectional units over a given period of time
C.
A panel data consists of data on a single variable measured at a given point in time while a pooled data set consists of data on the same cross-sectional units over a given period of time .
D.
A panel data set consists of data on a single variable measured at a given point in time while a pooled data set consists of data on more than one variable at a given point in time.
查看完整题目与答案
【单选题】环境中的不良因素会影响胚胎的正常发育，影响器官的分化和致畸，特别在孕( )周时，最为敏感。
A.
1-3
B.
2-5
C.
3-6
D.
6-8
E.
10-12
查看完整题目与答案
【简答题】根据汉语完下列成句子。 1. There's a small village______ (在…脚下) the mountain. 2. The tombs______ (遍布) an area of 40km. 3. There are many trees on ______ (路的两边). 4. ______ (在过去), there was no hospital in our villa...
查看完整题目与答案
【单选题】听力原文：M: Excuse me, madam. I'm a stranger here and I'm running low on gas, but I can't seem to find a service station anywhere around here. Could you be kind enough to direct me to the nearest one? W: ...
A.
He needs a gas station.
B.
He lost his way home.
C.
He wants to go to the hospital.
D.
He lost the letter to be posted.
查看完整题目与答案
【单选题】在 -20°C 及 101325Pa 下, 1mol 过冷水结冰则 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
ΔS 系统 <0 ， ΔS 环 <0 ， ΔS 总 <0
B.
ΔS 系统 >0 ， ΔS 环 >0 ， ΔS 总 >0 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
ΔS 系统 <0 ， ΔS 环>0 ， ΔS 总 >0
D.
ΔS 系统 >0 ， ΔS 环 =0 ， ΔS 总 >0
查看完整题目与答案
【简答题】横断面调查(cross—sectional in—regressiOn method)
查看完整题目与答案
【多选题】社会学的研究对象包括（ ）。
A.
研究社会过程
B.
研究社会文化
C.
研究社会结构
D.
研究社会行为
E.
研究社会关系
查看完整题目与答案