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【多选题】
甲(男)乙(女)登记结婚后,具有下列哪些情形一方可以向法院申请婚姻无效?A.
甲乙之间实际是表兄妹的关系
B.
甲在与乙登记结婚前，长期与丙以夫妻名义共同生活
C.
甲乙结婚登记时，乙刚满18周岁。
D.
甲以伤害乙父母身体健康相威胁，要求与乙登记
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The empty statement is represented by placing __________ where a statement would normally be.
A.
empty
B.
;
C.
null
D.
:
【简答题】分别编写两个程序:输入4个字符型变量的值,再原样输出。 要求1.使用scanf和printf实现输入与输出。 2.使用getchar和putchar实现输入与输出。 注意:仿照例3.9(P78)
【单选题】使用 scanf( ) 和 printf( ) 函数时,必须在程序开头加上预处理命令 ( )。
A.
#include
B.
#include
C.
#include
D.
#include
【单选题】Given that the current directory is empty, and that the user has read and write permissions, and the following: Which statement is true?（）
A.
Compilation fails.
B.
The file system has a new empty directory named dir.
C.
The file system has a new empty directory named newDir.
D.
The file system has a directory named dir, containing a file f1.txt.
E.
The file system has a directory named newDir, containing a file f1.txt.
【单选题】Given that the current directory is empty, and that the user has read and write privileges to the current, and the following: Which statement is true?（）
A.
Compilation fails.
B.
Nothing is added to the file system.
C.
Only a new file is created on the file system.
D.
Only a new directory is created on the file system.
E.
Both a new file and a new directory are created on the file system.
【简答题】The report looks ________ (impression), but it’s really nothing but empty statement.
【简答题】The report looks ________ (impression), but it’s really nothing but empty statement.A. impressive
相关题目：
【单选题】使用 scanf( ) 和 printf( ) 函数时,必须在程序开头加上预处理命令 ( )。
A.
#include
B.
#include
C.
#include
D.
#include