【简答题】已知一个正数m的平方根是3a+1和a+11. (1)求这个正数m; (2)计算m的立方根.
【简答题】已知方程 ( 3 m- 4 ) x 2 - ( 5 - 3 m ) x- 4 m=- 2 m 是关于 x 的 . ( 1 ) 求 m 和 x 的值 . ( 2 ) 若 n 满足关系式 | 2 n+m|= 1 , 求 n 的值 .
【判断题】1000 m纱线在公定回潮率时的重量克数,称为特数。
【单选题】1000m长的纱线在公定回潮率时的重量克数称为()。
【简答题】A.primary B.preliminary C.direct D.primitive
【判断题】The aim of price negotiation is only to make the greatest profits.
【单选题】The author's overall point is that ______.
A.
primitive languages may be large, complex, and complicated
B.
primitive languages may be large, complex and logical
C.
primitive languages may be large, old, and logical
D.
primitive languages may be similar to pidgin English
【判断题】The aim of price negotiation is onnly to make the greatest profits.
【判断题】用于担保申请人对受益人的预付款所应承担的责任和义务是指直接付款备用信用证。 ( )