2009年9月8日，因无证醉酒驾车造成重大人员伤亡的孙伟铭，被四川省高级人民法院终审判处无期徒刑，剥夺政治权利终身。从此案例中可以看出 ①孙伟
An old man lived alone in a town．He wanted to dig up his potato garden ,but it was very hard work．His only son who would have helped him was in prison．So the old man wrote a letter to his son an
设函数 （1）求的单调增区间及对称中心； （2）在中分别是角的对边，为锐角，若，，的周长为，求边长
In Denmark, parents are allowed to set up a new school if they are dissatisfied with the school in the area where they are living. Although these schools have to follow the national courses, th
世贸组织要求，一旦货物已经进入某个市场，就必须获得不低于相同的当地制造商品所获得的优惠待遇。这体现了世贸组织的（ ） A.自由贸易原则
People with bigger brains tend to score higher on standardized tests of intelligence, according to new study findings. However, Dr. Michael A.McDaniel emphasized that these findings represent a genera
设NA代表阿伏加德罗常数的数值，下列说法中正确的是 ( ) ①常温常压下，17 g重甲基(－14CD3)所含的中子数为11NA； ②常温常压下，22.4 L NO气
将过量的铁粉放入含AgNO3和Zn(NO3)2的混合溶液中，搅拌，使其充分反应后，过滤，滤液上留下的金属是 （ ）A．AgB．Fe、Ag C．Zn、FeD．Zn、Fe 、Ag
