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用短语动词be或set来代替下列句子中的括号部分1.He (has not yet returned).He will (return) in ten minutes.2.A new play is (being performed) at the Globe Theatre.3.You can't take the exam yet .You are't (capable of) it. 可利用许多小平面镜制作一种什么样的装置受古人启发 可以用许多小平面镜制作一种什么装置? 平面镜可以制作什么装置 已知不等式组 2x-a＜1x-2b＞3的解集为-1＜x＜1,则（a+1）×（b-1）的值等于多少? 古人是怎样想到用流水来制成计时的工具,水钟的制作必须解决什么问题 证明:设三角形的外接圆半径为R,则a=2RsinA,b=2RsinB,c=2RsinC 用短语动词be活set来代替下列句子中带括号的部分1、A new play is（ being performed） at the Globe Theatre2、When the concert (ended).we went home.在这个题目中,be,set 谢. 用短语动词be或set来代替下列句子中大写的部分谢谢了,1、he HAS NOT YET RETURNED.he will RETURN in ten minutes.2、a new play is BEING PERFORMED at the globe theatre.3、when the concert ENDED,we went home.4、they will LEAVE very EXCEL数字在一定范围内变化的问题现有一列数,列E列 想演变出+,-0.02范围内变化的数,注意：是已经有了一列数字,根据它演变另一列范围在+,-0.02的数字 如图11所示,太阳光与水平面成60度角,要利用平面镜使太阳光沿竖直方向照亮井底,请通过作图确定平面镜的位置 证明:设三角形的外接圆半径为R,则a=2RsinA,b=2RsinB,c=2RsinC.（求证钝角三角形）请写详细些. 证明：设三角型的外接圆的半径是R,则 a=2RsinA b=2RsinB c=2RsinC 碱的性质 有机碱的性质有机碱和无机碱的主要区别有哪些?最好能举例说明(有机碱:三甲基氢氧化铵或三乙基氢氧化铵;无机碱:KOH),他们在醇和水的混合溶剂里碱性的表现形式,有机碱在有机溶剂里的碱 碱的性质是? 关于knock的短语!This flowerpoot is broken,Who knocked it ____I knocked ______ early yesterday and went to a football match. knock 短语The little boy run for the football and ___a man standing there.A.knocked down B.knocked at C.knocked into D.knocked That kind boy often share his toys with the other chirldren.此句中的kind 怎么译?还有the other是做定语的吧,能不能只要other dhirldren去掉the. 关于knock 的短语 We often provide our children with toys,footballs or basketballs,____that all children like this things.A.thinking B.think C.to think D.thought 为什么选A In class the boy often said something that had nothing 1 with his teachers' questions.In class the boy often said something that had nothing 1 with his teachers' questions.He had been in school for six years.And also he 2 making trouble for others.3 “2sinX”减去“1”小于或等于“0” 关于不等式的,请用不等式解答…要有过程~-.- 如何形容雄鹰 雏鹰用什么形容 He often uses a computer_______(help)with his work老师说写to help,我想问一下为什么是to help he often uses the Internet （ ） his workA do B does C todo 用所给动词的正确形式填空 Sometimes he（ ）（help)his mother with the housework. 找规律第一组2和4 第二组3和8 第三组4和12 第四组5和16 求前面一个数经过怎样的运算的到后面一个数? 归纳总结分别写出碱、盐、酸、金属单质的性质（并且写出关于它的方程式）希望今天晚上快一点回我. 初中总结碱和盐的性质,要总结的!