字长标志着计算机的精度和处理信息的能力,字长越长,运算精确度越高。 ( )
参考答案:对
已知NO2是红棕色气体,N2O4是一种无色气体.N2O4在密闭容器内受压时能转化为NO2气体.某同学设计了如图所示的两个实验探究有关的变化.实验时甲抽去中间的玻璃片,乙推压密闭注射器里的活塞,然后再松开后.
(1)甲实验可能产生的实验现象是______该实验说明的问题是______
(2)乙实验观察到的实验现象是______该变化属于______变化.
(3)上述两个变化的本质区别是什么?
_______ people in Western countries think we Muslim(穆斯林) women are controlled by men is wrong and it makes me sad________ people won’t learn the truth by asking us how we feel.
A.That; why
B./;why
C./; what
D.That; that