– Do you know “samba”? I like it very much. It excites me every time I …– __________! Let’s talk about something else.A. It sounds brilliant B. Guess whatC. Give us a break D. I see
In Australia’s New South Wales, a group of animals are at risk of losing their home with a new logging program soon ______. A. starts B. to start C. starting D. start
时，二次函数
有最小值______________.
，所以，当x＝1时，y有最小值5。