【单选题】Nick is very happy at the beginning of the scene. His mood first changes because he realizes that
A.
Talia didn't record the conversation
B.
Talia feels awful about the tape
C.
Talia is upset about something
【单选题】We go to school ______ Monday ______ Friday. [ ]
【单选题】Nick is very __________ about using computers, though he is only a freshman.
【单选题】【C4】
C.
from the masses to the masses
【单选题】【B4】
C.
from the masses to the masses
【单选题】对于加工精度较高的淬火钢件、非淬火钢件及铸铁件外圆表面,加工方案为( )。
【判断题】汽车后备功率越大,其加速能力、爬坡能力 越强,汽车的动力性越好。
【判断题】后备功率越大,汽车所加速能力越好,爬坡能力越大,汽车的动力性能越好。
【简答题】若曲线 在点P处的切线平行于直线 则点P的坐标为 .
【简答题】曲线 在点 处的切线平行于直线 ,则点 的坐标为 .