问题
填空题
在国际单位制中,速度的单位是___________,常用的还有____________。
(1) 某同学步行的速度约为1.5________ ;
(2)一辆公共汽车正常行驶的速度约为40_________ 。
答案
m/s ;km/h; (1)m/s; (2)km/h
在国际单位制中,速度的单位是___________,常用的还有____________。
(1) 某同学步行的速度约为1.5________ ;
(2)一辆公共汽车正常行驶的速度约为40_________ 。
m/s ;km/h; (1)m/s; (2)km/h
Passage Two
The Alaska Governor has taken the following steps in response to the Prudhoe Bay oil field shutdown EXCEPT ______.
A.initiating investigation into BP’s liability for the state’s losses caused
B.calling hearings into BP’s maintenance practices
C.imposing a state hiring freeze
D.taking measures to reduce oil consumption in the state