皮皮学,免费搜题
登录
搜题
【单选题】
What problem makes Northern Ireland so significant in the UK?
A.
cultural problem
B.
political problem
C.
economic problem
D.
military problem
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】―Thank you very much. ―_____. [     ]
A.
That's right
B.
That's OK
C.
OK
D.
My pleasant
【简答题】计算: (1) 1 3 [ (2- 3 ) 2 + 2 3 +1 ]; (2)( a - 1 a +1 )÷ a -1 a-1 ; (3)已知x= 3 - 2 3 + 2 ,xy=1.求3x 2 +5xy+3y 2 的值.
【单选题】-__________ do you think of your new lifestyle? -__________. [     ]
A.
How, It's OK.
B.
What, It's OK.
C.
How, Very much.
D.
What, Very well
【简答题】3个0.1与7个 1 10 的和是1.______.(判断对错)
【多选题】PRW10-12F型熔断器的触头按其功能可分为( )。
A.
工作触头
B.
灭弧触头
C.
动触头
D.
静触头
【简答题】由于S*(OK)=0,所以也可推导得U*(OK)=0。
【单选题】已知3阶矩阵A可逆,将A的第2列与第3列交换得B,再把B的第1列的一2倍加到第3列得C,则满足PA-1=C-1的矩阵P为_____
A.
B.
C.
D.
【简答题】列竖式计算. 365×3 706×8 430×7 582×6 357×5 736×4 427×3 205×4 121×7.
【单选题】— Thank you. —  ________. [     ]
A.
I’m OK
B.
That’s all right
C.
That’s OK
D.
All right
【简答题】A - OK in the U.S.