A:①②③
B:②③④
C:①③④
D:①②③④
依法治国的核心是( )
⑴When do you eat breakfast?____ A.It's warm and sunny.
⑵Can you make a snowman now?____ B.No,it isn't.
⑶What's the weather like today?____ C.I eat breakfast at 7: 15.
⑷What would you like to do?____ D.No,I can't.
⑸Is it windy and cold?____ E.I would like to go swimming.
已知函数fx=x2+bx+c,其中0≤b≤4,0≤c≤4,记函数fx满足条件:f2≤12为事件A,则事件A发生的概率为( )
我们要永远铭记革命先烈的丰功伟绩,走好自己的长征路。根据材料,回答问题。