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【单选题】
抽样误差最小的抽样方法是
A.
分层抽样
B.
系统抽样
C.
简单随机抽样
D.
整群抽样
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【单选题】以下程序的输出结果为: public class test { public static void main(String args[]) { int s=0; for (int k=0;k<=10;k++) s+=method(2,k)-1; System.out.println(s); } public static int method(int n,int m) { if (m==0) r...
A.
2048
B.
1024
C.
2036
D.
2000
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【单选题】They _____ with each other at first sight and got married soon. Until now they _____ still _____ and live a happy life. [     ]
A.
fell in love; fall; in love
B.
were in love; are; in love
C.
fell in love; are; in love
D.
were in love; fall; in love
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【单选题】胎盘早剥的临床和超声表现,以下哪一项是错误的
A.
妊娠晚期阴道出血
B.
胎盘覆盖宫颈内口
C.
分为胎盘后与边缘出血
D.
可导致早产，胎儿死亡
E.
系底蜕膜出血，形成血肿
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【简答题】以下程序的输出结果为: #include using namespace std; class M{ int x,y; public: M(){ x = y =0; } M(int i,int j){ x = i; y = j; } void copy(M *m); void setXY(int i,int j){ x = i; y = j; } void print(){ coutx; y =...
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【单选题】下列属于与表面活性剂无关的是
A.
昙点
B.
克氏点
C.
β
D.
CMC
E.
HLB
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【单选题】We learn from the last paragraph that______.
A.
love of revenge is a unique characteristic of man
B.
man is the only animal capable of thinking
C.
human beings are capable of insulting and injuring each other
D.
man is better at taking chances than animals
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【单选题】以下程序的输出结果为( ) #include class sample{ int n; public: sample(){}; sample(int m){n=m;} sample add(sample s1,sample s2){ this->n=s1.n+s2.n; return(*this); } void disp() { cout<} }; void main() { sample...
A.
n=15
B.
n=10
C.
n=5
D.
其它都不对
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【单选题】以下程序的输出结果为( ) #include using namespace std; class base{ public: virtual char* show()const=0; }; class d1 : virtual public base{ public: char* show() const{return 'd1';} }; class d2: virtual publi...
A.
d1
B.
d1d2
C.
d2
D.
其它都不对
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【单选题】Which of the following is a characteristic of a serial I/O port?（）
A.
RJ-11 connector
B.
DB-15 connector
C.
DB-9 connector
D.
RJ-45 connector
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【单选题】建施-04中,详图索引符号有( )处。
A.
1
B.
2
C.
3
D.
4
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相关题目：
【单选题】以下程序的输出结果为: public class test { public static void main(String args[]) { int s=0; for (int k=0;k<=10;k++) s+=method(2,k)-1; System.out.println(s); } public static int method(int n,int m) { if (m==0) r...
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2048
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1024
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【单选题】They _____ with each other at first sight and got married soon. Until now they _____ still _____ and live a happy life. [     ]
A.
fell in love; fall; in love
B.
were in love; are; in love
C.
fell in love; are; in love
D.
were in love; fall; in love
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【单选题】胎盘早剥的临床和超声表现,以下哪一项是错误的
A.
妊娠晚期阴道出血
B.
胎盘覆盖宫颈内口
C.
分为胎盘后与边缘出血
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E.
系底蜕膜出血，形成血肿
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【简答题】以下程序的输出结果为: #include using namespace std; class M{ int x,y; public: M(){ x = y =0; } M(int i,int j){ x = i; y = j; } void copy(M *m); void setXY(int i,int j){ x = i; y = j; } void print(){ coutx; y =...
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【单选题】下列属于与表面活性剂无关的是
A.
昙点
B.
克氏点
C.
β
D.
CMC
E.
HLB
查看完整题目与答案
【单选题】We learn from the last paragraph that______.
A.
love of revenge is a unique characteristic of man
B.
man is the only animal capable of thinking
C.
human beings are capable of insulting and injuring each other
D.
man is better at taking chances than animals
查看完整题目与答案
【单选题】以下程序的输出结果为( ) #include class sample{ int n; public: sample(){}; sample(int m){n=m;} sample add(sample s1,sample s2){ this->n=s1.n+s2.n; return(*this); } void disp() { cout<} }; void main() { sample...
A.
n=15
B.
n=10
C.
n=5
D.
其它都不对
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【单选题】以下程序的输出结果为( ) #include using namespace std; class base{ public: virtual char* show()const=0; }; class d1 : virtual public base{ public: char* show() const{return 'd1';} }; class d2: virtual publi...
A.
d1
B.
d1d2
C.
d2
D.
其它都不对
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【单选题】Which of the following is a characteristic of a serial I/O port?（）
A.
RJ-11 connector
B.
DB-15 connector
C.
DB-9 connector
D.
RJ-45 connector
查看完整题目与答案
【单选题】建施-04中,详图索引符号有( )处。
A.
1
B.
2
C.
3
D.
4
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