鸦片战争前，中国社会的经济状况是 A.自然经济占着统治地位 B.资本主义萌芽迅速发展 C.中国开始卷入资本主义市场
2010年4月中旬,受强冷空气的持续影响,本该是春暧花开的我国北方地区却出现“倒春寒”，暴雪降温严重影响了当地人们的生活和工作。回答21~23 21、下
课文填空（每空填一个词，满分15分） Imagine this: You are twenty-one years old and a __________ graduate student at one top of the top universities in the world. One day, your doctor te
文艺复兴被称为人的发现、新航路的开辟被称为世界的发现、英国资产阶级革命和法国资产阶级革命被称为是改变世界的命运，这些大事体现的历史主
Being a sailor ____ long periodsaway from home. A. includesB. involves C. contains D. expects
“If there is one thing I’m sure about, it is that in a hundred years from now we will still be reading newspapers. It is not that newspapers are a necessity. Even now some people get most of their
It has been announced that passengers ____ remain in their seats until the dangerous subjects have been removed. A. can B. will C. may D. shall
已知向量=(1,1), =(1,a),其中O为原点,若向量与的夹角在区间［0,］内变化,则实数a的取值范围是_________________.
