设函数f(x)=满足f(-4)=0,f(-2)=-2.若f(x)=x,则称x为f(x)的“不动点”.试求f(x)的不动点.
如图，将一张长方形纸片沿EF折叠后，点D、C分别落在D′、C′的位置，ED′的延长线与BC交于点G．若∠EFG=55°，则∠1=_______．
In Canada you can find dogs, cats, horses, etc. in almost every family. These are their pets. People love these pets and have them as their good friends. Before they keep them in their houses, they
节约是一种美德，节约是一种智慧．据不完全统计，全国每年浪费食物总量折合粮食可养活约3亿5千万人．350 000 000用科学记数法表示为（ ） A．3.5×107
--- What has happened to Alice ? --- I don’t know. She her job. A. can have lost B. may have lost C. should have lost D. need have
2007年3月21日，土耳其外贸署发布公告，结束对原产于中国的聚氯乙烯的特保调查，终止对该产品征收保证金，并返还已经征收的临时保证金。下列关于
如图右所示，已知圆心角的度数为，则圆周角的度数是（ ） A. B . C. D.
新疆维吾尔自治区党委书记说：当前，爱国、感恩、勤劳、互助、开放、进取的“新疆精神”正在内化为民众的共识，形成推进新疆跨越式发展和长治
