(西安交大附中2007—2008学年度下学期高三第四次模拟考试E篇) On the afternoon before his wedding day this fall, Hamid was sitting in an empty teahouse holding a glass of green
下列微粒中：① ② ③Cl- ④，其核外电子数相同的是A．①②③ B．②③④ C．①②④ D．①②③④
_________ different colors is their full-time job. A.Dyeing cloth B.Dyeing cloth into C.Dying cloth D.Dying cloth into
如图所示的x－t图象和v－t图象中，给出的四条曲线1、2、3、4代表四个不同物体的运动情况，关于它们的物理意义，下列描述正确的是 ( ) A．图线表
下表列举了生活中一些物质的pH，其中酸性最强的是物质雨水糖水牙膏食醋pH5.97.09.03.0A．雨水 B. 糖水 C. 牙膏 D. 食醋
右图是小明阅读的一本图书，封面所示“三家分晋”指的 是哪“三家” A.燕、齐、楚 B.韩、赵、魏 C.吴、越、楚
D Bernice Gallego sat down one day this summer, as she does pretty much every day, and began listing items on eBay. She dug into a box and pulled out a baseball card. She stopped for a mo
若a、b∈R,a2+b2=10,则a-b的取值范围是（ ）A.［-2，2］ B.［-2，2］C.［-，］
(x>1)的最小值是( )
＋2 B．2