皮皮学,免费搜题
登录
搜题
【单选题】
引起呕血最常见的原因是( )
A.
食管或胃底静脉曲张破裂
B.
流行性出血热
C.
消化性溃疡
D.
急性胃粘膜病变
E.
胃癌
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Three days later, Gary was behaving as though nothing______.
A.
happens
B.
happened
C.
has happened
D.
had happened
【单选题】语句 while(x%3) a++; 中的表达式 x%3 等价于_______.
A.
x%3==1
B.
x%3==0
C.
x%3!=0
D.
x%3==2
【简答题】判定下列级数是否收敛?若收敛,是绝对收敛还是条件收敛?(1)1-1/√2+1/√3-1/√4+...判定下列级数是否收敛?若收敛,是绝对收敛还是条件收敛?
【单选题】语句while(x%3)a++;中的表达式x%3等价于_______.
A.
x%3!=0
B.
x%3==0
C.
x%3==1
D.
x%3==2
【单选题】在C语言中,若x=0,y=1,则语句while(x=y){x++; break;} 循环体执行次数 是( )。
A.
3
B.
2
C.
1
D.
0
【单选题】-Why didn't you arrive there until three days later? -Because the heavy rain __________ the difficulties of the journey. [     ]
A.
added
B.
added to
C.
was added
D.
was added to
【单选题】---Why didn’t you arrive there until three days later? ----Beccause the heavy rain _____the diffculities of the jurney.
A.
added
B.
added to
C.
was added
D.
was added to
【简答题】判别级数下列级数的收敛性,若收敛,是条件收敛还是绝对收敛? (1) (2)
【单选题】语句while(!x); 中的!x等价于( )。
A.
x= =0
B.
x!=1
C.
x!=0
D.
x= =1
【单选题】Itwas two days later ______________they began to discuss my suggestion.
A.
when
B.
that
C.
what
D.
on which
相关题目: