皮皮学，免费搜题
登录
搜题
【简答题】
采用普通硅酸盐水泥拌制的混凝土，其浇水养护时间不得少于（）d。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The landmark of ( ) is Nuorilang Waterfalls with a drop of more than 20 meters.
A.
Huanglong
B.
Jiuzhaigou
C.
Taishan Mountain
D.
Huangshan Mountain
【简答题】A．There are no rapids or watells. B．There is a constant, strong wind. C．Navigation is rather difficult. D．Frequent storms cause problems for riverboats.
【简答题】A.Them are no rapids or watells. B.There is a constant, strong wind. C.Navigation is rather difficult. D.Frequent storms cause problems for riverboats.
【单选题】The massive waterfalls which straddle the international border separating Canada and the United States is known as
A.
Horseshoe Falls.
B.
American Falls.
C.
Bridal Veil Falls.
D.
Niagara Falls.
相关题目：