【简答题】若丨x-y+3丨与丨x+y-1995丨互为相反数,则 x+2y x-y 的值是______.
【简答题】Her father left her all his money when he died, which made her financially _ (dependent).
【简答题】计算:(- ) -2 -( -1) 0 +丨-2丨+
【简答题】已知集合A={x丨2<x<4 },B={x丨x<3或x>5 }则A∩B= (A) {x丨2<x<5 } (B) {x丨x<4或x>5 } (C) {x丨2<x<3 } (D) {x丨x<2或x>5 }
【多选题】下列关于企业所得税收入的确定,说法不正确的是()
A.
企业发生的商业折扣应当按扣除商业折扣后的余额确定销售商品收入金额
B.
企业发生的现金折扣应当按扣除现金折扣后的余额确定销售收入金额
C.
企业转让股权收入,应于转让协议生效且完成股权变更手续时确认收入的实现
D.
如果交易合同或协议中规定租赁期限跨年度且租金提前一次性支付的,出租人地已确认的收入,可在租赁期内分期均匀计入相关年度收入
【简答题】已知向量 m , n 的夹角为 π 6 ,且丨 m 丨= 3 ,丨 n 丨=2,则丨 m - n 丨=______.
【单选题】设 a , b 是非零向量,若函数f(x)=(x a + b )?( a -x b )的图象是一条直线,则必有( )
【单选题】Alice _____ her father that both she and her husband would be happy if he would live with them. [ ]
【简答题】At first, Emma______ her father because she thought he was faithful to her mother.