The economist
News week
loads of english magazines, all depends on what kind of material you want .
猜你喜欢
- 1重结晶提纯物质的原理是什么?以NaNO3和KCl混合制得KNO3和NaCl为例说明
- 2小学数学小论文五年级大约400字.
- 3(1) x^2-5x+3 (2)x^2-2根号(2)乘x-3 在实数范围内因式分解
- 4补全对话 A:Where were you last Sunday?B:I _______friend of mine.
- 5请教“Jim with his mother( )on their farm.A work B works是选A还是B为什么?
- 6上山时每小时走3240米,下山时每小时走6440米.已知他从上山到下山共用去6小时(不包括休息时间)共走3216
- 7一般现在时造句至少10个
- 8作文评价的作用是什么?
- 9用显微镜观察标本时,应该( ) A.双眼睁开,用右眼观察 B.双眼睁开,用左眼观察 C.左眼闭上,用右眼观察 D.右眼闭上,用左眼观察
- 10核内有11个质子,12个中子,核外有10个电子的粒子一定是