【判断题】2009年1月,Microsoft发布Windows 7。
【单选题】There _________a book and three pens on my desk just now,but now there is nothing on it.
【判断题】用汉字输入法输入汉字时,只能单个字输入,不能输入词组。
【判断题】若期货交易保证金为合约金额的5%,则期货交易者可以控制20倍于所交易金额的合约资产,实现以小搏大的效果。()
【单选题】听力原文:W: I need to get in touch with Microsoft. I'm having problems with the software. Do you know its website? M: Yeah. It's www. Microsoft. com. W: Do you think they will take care of my problems? M:...
A.
She needs them to help her resolve some software problems.
B.
She doesn't know its website.
C.
She needs them to take care of her.
D.
She needs them to help her resolve some hardware problems.
【简答题】计算函数值。输入实数 x ,根据下面函数式计算 y 的值。 y=(x+1)/(x-1)。提示: x 等于 1 时,函数无意义。