题型:问答题 简答题 It is suggested that another school ______ in our city. [ ]A. should build B. be set up C. will be set up D. will build 查看答案
题型:问答题 简答题 A.条件(1)充分,但条件(2)不充分.B.条件(2)充分,但条件(1)不充分.C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.D.条件(1)充分,条件(2)也充分.E.条件(1)和(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.甲瓶装纯盐酸20 kg,乙瓶装水60 kg,分别从两瓶中各取出x kg倒入对方瓶中,然后再从两瓶中各取出x kg倒入对方瓶中,则甲、乙两瓶浓度相等. (1)_x=12; (2)x=15. 查看答案