固定高压水枪的保护高度一般为()。(A)10~20m (B)20~30m (C) 发布时间:2017-06-23 15:01 │ 来源:www.tikuol.com 题型:单项选择题 问题: 固定高压水枪的保护高度一般为()。(A)10~20m (B)20~30m (C)30~40m (D)40~50m
题型:单项选择题 People love the convenience of bottled water, but if they ________ the problem it causes, they ________ try carrying water in a reusable steel container instead of plastic.A.realized; willB.had realized; willC.realized; wouldD.have realized; would 查看答案