在近代中国社会阶级关系变动中产生了新的阶级,新产生的阶级有()
A.地主阶级
B.农民阶级
C.工人阶级
D.资产阶级
参考答案:C, D
M: The taxi driver must have been speeding. W: Well, not really. He crashed into the tree because he was trying not to hit a box that had fallen off the truck ahead of him. Question: What do we learn about the taxi driver
A. He turned suddenly and ran into a tree.B. He was hit by a fallen box from a truck.C. He drove too fast and crashed into a truck.D. He was trying to overtake the truck ahead of him.
MIPS是用于衡量计算机系统哪种指标的( )。
A.存储容量
B.运算速度
C.时钟频率
D.处理能力