如图，一条直线与反比例函数的图象交于A（1，4）B（4，n）两点，与轴交于D点，AC⊥轴，垂足为C． ⑴如图甲，①求反比例函数的解析式；②求n的值及D
At, call, try, discover, however, beyond, travel, send, be, understand, reach，
At, call, try, discover, however, beyond, travel, send, be, understand, reach， goodScientists think that there has 1 life on the earth for millions of years. 2 , we haven’t
SINGAPORE—It seems the financial crisis isn’t all hopeless: one in four people are glad the world’s economy turned down like it did, because it helped them realize more in life, according to a g
相交成60°的两条直线与一个平面α所成的角都是45°，那么这两条直线在平面α内的射影所成的角是 （ ） A．30° B．45°
雌性哺乳动物卵巢卵泡破裂排出卵子，卵子的本质是（ ） A．卵泡B．卵原细胞C．卵母细胞D．卵细胞
第二次工业革命最显著的成就是 （ ）A．电作为新能源得到广泛使用 B．内燃机驱动的新交通工具的创制 C．石油化工工业兴起
A few things to consider before booking a flight: With fuel costs rising and airlines finding more fees to impose on travelers every day, airfare isn’t getting any cheaper. Since you can’t drive
下列对杨树在光照条件下体内有关物质移动的叙述，错误的是（ ） A．叶肉细胞内，ADP和Pi不断地由叶绿体的基质向基粒囊状结构薄膜移动 B．单位
