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【单选题】
关于车速表检测说法错误的是（）A.
车速表试验台速度指示值为40km/h时，车速表的指示值应为40～48km/h
B.
车速表指示值为40km/h时，车速表试验台的速度指示值应为35~40km/h
C.
检测前要检查汽车的轴荷，以保证待检汽车轴荷在试验台允许范围内
D.
对电机驱动型车速表试验台，在不用驱动装置进行测试时，务必分离离合器，使滚筒与电动机脱开
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举一反三
【单选题】The number of MPs in the current House of Common of UK Parliament is ____.
A.
646
B.
650
C.
659
D.
720
【单选题】I am wondering ________ you have read “the Harry Potter series” written by JK Rowing.
A.
when
B.
whether
C.
where
D.
what
【单选题】晚间实行交通管制:每日( ),除公务车、教职员工车辆、已审批获准的学生机动车和经营单位自备车外,禁止机动车(含电动三轮车)入校。
A.
18:30-00:00
B.
17:00-23:00
C.
19:00-00:00
【单选题】The number of MPs in the current Lower House of UK Parliament is ______.
A.
646
B.
650
C.
659
D.
720
【单选题】—Have you read the book Harry Potter? —Sure.Eric is also ____ it and we become friends because of that.
A.
proud of
B.
afraid of
C.
serious about
D.
interested in
【单选题】The number of MPs in the current lower house of UK Parliament is .
A.
646
B.
650
C.
659
D.
720
【简答题】若r=√x^2＋y^2＋z^2,计算▽r,▽r^2,▽1／r▽f(r),▽r^n(n≥3)高等数学复旦大学出版第三版下册课后习题答案习题十三 若r=√x^2+y^2+z^2,计算▽r,▽r^2,▽1/r▽f(r),▽r^n(n≥3)
【简答题】若A，B为n阶矩阵，则r(AB)≤min(r(A)，r(B))．
【单选题】Harry Potter is such an interesting book ________ all kids like to read.
A.
as
B.
that
C.
/
D.
which
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