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【判断题】
对于一个有N个结点、K条边的森林,不能确定它共有几棵树。
A.
正确
B.
错误
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【单选题】According to the text, the main advantage of TapeStore over a human operator is that TapeStore?
A.
is more reliable.
B.
is much faster.
C.
is very secure.
【简答题】编写程序,从键盘输入一个学生的姓名(建议用字符数组)、年龄(合理的年龄段为16-25)、五级制C++语言考试分数(合理范围为0-5),调用函数float chechAgeScore(int age,float score),该函数主要完成两件事:通过检查两个形式参数的范围是否合理,抛出不同的异常信息;如果无异常,则返回对应的百分制成绩。主函数中定义try-catch块检测、捕获并处理异常。最后输出...
【简答题】螺旋输送机的螺旋型式与被输送物料性状之间的关系
【单选题】中国共产党提出和平解决西安事变的根本出发点是()
A.
使国民党内部矛盾加剧
B.
改善国共两党的关系
C.
从中国全民族利益出发
D.
缓和国民党内部矛盾
【单选题】Which statement about the operator is not correct?
A.
The operator is a site bond with the repressor.
B.
The operator mediates a positive regulation of operon.
C.
The operator sites are in downstream of the promoter.
D.
The operator overlaps partly with the promoter some time.
【单选题】When the + operator is used with strings, it is known as the:
A.
Assignment operator
B.
String concatenation operator
C.
Addition operator
D.
Combined assignment operator
【单选题】1989年,我国把每年的( )立为"老人节""敬老节"。
A.
中秋节
B.
端午节
C.
七夕节
D.
重阳节
【单选题】In C language, the result of the logical ______ operator is 1 if the value of its operand is 0,0 if the value ofits operand is non-zero.
A.
AND    
B.
NOT    
C.
OR    
D.
EOR
【单选题】When an operator is overloaded as a class member function, there is no parameter in its parameter table, indicating that the operator is ( ) ? 将运算符重载为类成员函数时,其参数表中没有参数,说明该运算符是
A.
Illegal operator 不合法的运算符
B.
Binary operator 二元运算符
C.
Unary operator 一元运算符
D.
Operators without operands 无操作数的运算符
【单选题】早孕习惯性流产者应首先进行的遗传检查是( )。
A.
针对染色体数目结构异常的核型分析
B.
SNP分析
C.
某些酶的活性检查
D.
病毒感染的基因诊断
E.
RELP分析法
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