Once educated to speak properly, the girl could ____________ (冒充成女公爵) at an ambassador”s garden party.
已知函数f(x)=x-,且此函数图象过点(5,4),则实数m的值为 .
下列反应对应的离子方程式正确的是 A．澄清的石灰水与稀盐酸反应：Ca（OH）2+2H+====Ca2++2H2O B．钠与水的反应：Na+2H2O====Na++2OH一+H2↑ C．氧化铜与稀硫酸
. All the doctors in the hospital insisted that he ____ badly wounded and that he ____ at once. A. should be; be operated on B. were; must be operated on C. was; should be operated D
在猜一商品价格的游戏中，参与者事先不知道该商品的价格，主持人要求他从图8的四张卡片中任意拿走一张，使剩下的卡片从左到右连成一个三位数，
全国人民代表大会及其常委会在加强立法和执法监督中，处处体现着建设社会主义和谐社会的理念。据此回答下面试题。 1. 2005年，针对正在审议的法律
Hurriedly, they packed their belonging and set off ______the direction of the river． A．for B．to C．at D．in
