It is said that potato chips ______by mistake about a hundred years ago. A. invent
I’m sorry I can’t play soccer with you this afternoon. I have _______ homework to do. A. too many B. too much C. much too
下列命题是假命题的是 A.命题“若则全为0”的逆命题 B.命题“全等三角形是相似三角形”的否命题 C.命题“若则有实数
“大包干,大包干,直来直去不拐弯,交够国家的,留足集体的,剩下都是自己的。”这是1978年安徽凤阳的民谣。对此理解正确的是( ) ①概括
N所对应的地面上的N′,与M所对应的地面上的M′相比 ,N′所在地 A.气压低 B.气温低 C.降水少
他曾为了救别人的孩子,耽误了救自己的独子;他曾为了别人的复明,忍痛捐献了自己女儿的眼角膜,并在国内一家眼角膜库的器官捐献志愿书上签上
The pop song concert was so well ________ that before it started, all the tickets had been sold out. A. accepted B. carried C. received D. promised
已知f(x)=ln(eax+1)-bx(b≠0)是偶函数,则=