( )10.——________we plant trees in the gardon?——________.A.Do,Right B.Did,OK C.Shall,All right

( )10.——________we plant trees in the gardon?——________.A.Do,Right B.Did,OK C.Shall,All right ________we need more practice is quite clear. A—P～P～P中A—什么意思 A—P~P+Pi+能量 ________we do some warm-up exercises together?a.shallb.wllc.cand.must ______ ________we going to meet?At 11:30.And ____?Outside our school gate. 在 海伦—秦九韶公式中：S=√[p(p-a)(p-b)(p-c)] A—P～P中的“—”是什么化学键 为什么P+O2—P2O5,不等于P+O2—PO2 1molP4中含有多少mol P—P共价键? （p+q）的平方—p的平方举例说明 ________we can see,our country is more and more beautiful and stronger.A.As B.LikeC.If D.Since ________we needed was not money ,but time.A.the thing what B.which C.what D.That 在 海伦—秦九韶公式中：S=√[p(p-a)(p-b)(p-c)] ,√这个符号是什么意思? 6p(p+q)的二次方—4q(q+p) 怎么提公因式 6p(p+q)²—4q(q+p) 怎么提公因式? （p—4）（p+1）+3p要过程``谢了 急要! p、q均为质数,且5p+7q=29,则变p的q次方+q的p次方—p+q=