— Are we going to have sports meeting this week? — No. It’s ______till next week because of the bad weather. A. put away B. put on C.
春秋战国时期，导致个体小农经济产生的根本因素是（ ） A．井田制的解体B．铁农具的使用和牛耕的出现 C．诸侯国的变法D．地主土地私有制的产生
请根据溶液的有关知识回答下列问题： （1）将KNO3饱和溶液变成不饱和溶液可采取的措施有 ． （2）“海水晒盐”的原
下列灭火剂能用于扑灭金属钠着火的是A．干冰灭火剂 B．黄沙 C．干粉（含NaHCO3）灭火剂 D．泡沫灭火剂
如图，点D，E，F分别是△ABC三边上的中点．若△ABC的面积为12，则△DEF的面积为_______．
（09厦门市毕业班质检）细胞的全能性是指 A．已经分化的细胞全部能进一步分化 B．已经分化的细胞仍然具有发育成完整个体的潜能 C．细
Some people make you feel comfortable when they are around. You spend an hour with them and feel as if you have known them half your life. These people have something in common. And once we know wha
As is known to us all, failure usually _______ laziness while diligence can ______ success. A. results from, lie in B. results in, result from C. leads to, lie in
