无论m为任何实数,二次函数y=x2+(2﹣m)x+m的图象总过的点是[ ]
A.(1,3)
B.(1,0)
C.(﹣1,3)
D.(﹣1,0)
答案:A
当你上网时,发现有不健康的网页,正确的做法是[ ]
①自觉关闭该网页,不理会
②关闭主机,永不上网
③清除不健康的网页后再上网
④自觉抵制不健康内容的诱惑
A、①②③
B、①③④
C、①②④
D、②③④
— Are you still going to Shanghai for the Spring Festival?
— Yes, but I really _____ because I have a lot of things to deal with.
A.can’t
B.mustn’t
C.won’t
D.shouldn’t