葡萄的休眠对低温的要求非常严格,因此难以解除休眠。
参考答案:错
解析:葡萄的休眠对低温的要求不严格,因而比较容易解除休眠。
The chief manger, together with all the construction workers, _______ working on the bridge day and
night to finish it before the storm season comes.
A. was
B. were
C. is
D. are
公安机关的权力,是指公安机关为履行职责,依法采取的权威性措施和手段。然而,公安机关的权力是在法定职责限度内行使的,并受相应的制约,所以公安机关的权力不能称为公安机关的权限。 ( )