⑴____ A.chair B.Chinese C.teacher D.school
⑵____ A. other B father C. that D. think
⑶____ A. city B. finish C. physical D. science
⑷____ A. subject B. student C. education D. Tuesday
⑸____ A. note B. soda C. cola D. not
已知函数fx=log21-x+1,-1≤x<0x3-3x+2,0≤x≤a的值域是0,2,则实数a的取值范围是( )
读等高线地形图,据图完成下小题。
下列说法错误的是( )