()是1s内产生1J能量的功率。
A.能量
B.帕斯卡
C.焦耳
D.瓦特
参考答案:D
不等式-6x≤12的非正整数解为( )。
The problem of over fishing is spreading . Since can fish , people do .
A.anyone ; many
B.no one ; some
C.someone ; most
D.anyone ; any