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There ___ a lot of sheep in the hill.A.used to be B.use to be C.using to be D.will use to 给我解释哈非主流是啥意思哦?是哪个想出来的词哦,鬼迷鬼眼的． 谁帮我解释下"非主流"的意思啊?/ 麻烦具体点哈 非主流 心理学上的稽查作用是什么意思? 如何用淘汰的大功率音频功放做稳压电源电路拜托各位了 3Q如何用淘汰的大功率音频功放做稳压电源. 将6.3克镁铝合金恰好溶于适量的盐酸中,放出氢气6.72升（标况）,再向溶液中慢慢滴加3mol/L的NaOH溶液,问加入多少氢氧化钠时沉淀质量达到最大，最大质量是多少 我想问 use to和used to 和 be used to的用法1.he(is used to)(used to)work sixteen hours a day.2.i(use to)(used to)see him often.3.he always(uses)(used to)scented soap.4.he(used to)(is used to)buy two bars of chocolate a day.5.i could not stand use,using,used应该选择哪个?为什么?John lives on the twelfth floor in a tall apartment building.Every day he comes back home very late when there is nobody ______the elevator.A)use B)using C)used use used using的区别 探地雷达与地下金属探测器有什么区别与共同点我想知道那个更简单实用 陕西地下金属探测器和探矿仪有什么区别? 世界最大的坦克多大?知道的告诉一下 英语翻译如上只填2格 多读哪些书对提高高中作文有意 有一镁铝合金ag,取一半与足量盐酸放出v1l氢气,取另一半与足量氢氧化钠溶液放出 Mr Read ______the computer every day.A.use B.uses C.using D.to use 请分别用use,using和uses造句要写汉语 how to using和how to use的区别题目是这样的Tom wants to learn ____ computersA.how to using B.how to use把正确答案填入横线 因为本人理解能力差 物理里边受力分析有什么要注意的 单质 化合物的举例.越多越好,谢. 举例几个元素中(常见)的单质和化合物RT He left forty minutes ago.(划线部分提问）划线部分是：forty minutes ago He left forty minutes ago.就forty minutes ago 提问 一定量的镁、铝合金放入足量的盐酸中可收集到一定体积的氢气、将等质量的该合金放入足量的氢氧化钠溶液...一定量的镁、铝合金放入足量的盐酸中可收集到一定体积的氢气、将等质量的 He left ten minutes ago.怎样翻译? 对for forty minutes 提问 用什么提问he plays a lot for sports.he wants to keep healthy(合并一句）he plays a lot of sports _______ _____ healthy------------------------------------------------------------------------------对100 dollars Write an article using the notes below .Tell what happens to Sally.Sally Brown / a young woman/wants to be a professional singer / as a volunteer,sings at a local hospital / cheers up sick people / also sings at schools / ran out of money for singing Write an article using the notes below.Tell what happens to Sally.Sally Brown,a youngSally Brown\ a young woman\ wants to be a professional singer\ as a volunteer,sings at a local hospital\ cheers up sick people\ also sings at schools\ ran out of mon use the peporter's notes to write an article about Xu 9年级英语课本P7的2Use the reporter's notes to write an article about Xu Zheng. 起重机以1.5米/秒的速度吊一货物匀速上升,后又以I米/秒速度吊统一货物匀速下降,两次钢绳上的拉力F1 F2的大小关系是 A F1＞F2B F1＜F2C F1=F2D 无法判断我是新手 财富悬赏多不到哪里去 但这基本