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【单选题】
《国史探微》是()的著作。A.
B.
C.
D.
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反馈参考答案：
举一反三
【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. [ ]
A.
to from
B.
on from
C.
from on
D.
from to
【单选题】Nick is very __________ about using computers, though he is only a freshman.
A.
good
B.
dependent
C.
confident
D.
interested
【单选题】【C4】
A.
from mouth to mouth
B.
from door to door
C.
from the masses to the masses
D.
from side to side
【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（ ）。
A.
粗车—半精车—磨削
B.
粗车—半精车—粗磨—精磨—精密磨削
C.
粗车—半精车—精车
D.
粗车—半精车—粗磨—精磨
【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 .
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