A soldier came home after having fought in Vietnam （越南）. He called his parents fromSan Francisco. “Mom and Dad, I’m coming home, but I have a friend with me.” “Sure,” they replied,
请用“银河”“树影”“蛙声”等词语写一段情景交融的文字。要求想像合理，语言连贯，不少于40个字。 答：
为打造“书香校园”，某班同学开展了“好读书 读好书”的专题活动，请你也参与这次活动，并完成以下任务： 8．点击阅读：下面是同学们对学校150
如图所示，质量为m的物块从半径为R的半球形碗边向碗底滑动，滑到最低点时的速度为v，若物块滑到最低点时受到的摩擦力是，则物块与碗的动摩擦因
If he ______ in England, what language could he probably speak now?（ ） A. were born B. had been born C. would have born D. was born
读可持续发展复合系统示意图（图2），完成4～5题。 4．图中①代表的含义是 A．社会系统 B．经济系统 C．生态系统 D．
权力是把“双刃剑”，为了防止权力的滥用，保证把人民赋予的权力用来为人民谋利益，需要对权力进行制约和监督。在我国，保证把人民的权力用于
向上平移5个单位后的解析式为 .
；