皮皮学，免费搜题
登录
搜题
【多选题】
埋地排水管道沟槽包括有( )三种基础。A.
砂土基础
B.
混凝土基础
C.
混凝土枕基
D.
带形基础
E.
混凝土带形基础
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】With the world _____ fast, we have something new to deal with all by ourselves every day.
A.
change
B.
changed
C.
tochange
D.
changing
【单选题】利用人工去除母本植株的雄穗或雄花,使母本雌蕊(雌花)接受父本的花粉而产生杂交种子的方法,叫( )。
A.
人工去雄制种
B.
化学去雄制种
C.
利用自交不亲和性制种
D.
利用雄性不育性制种
【单选题】We have ____ friendly relations with many countries in the world.
A.
confirmed
B.
established
C.
realized
D.
made
【单选题】We have fulfilled promise we made to the world: The Beijing Olympic Games would be green sports event. [ ]
A.
the; the
B.
a; a
C.
the;／
D.
the; a
【单选题】The world will be different, and we will have to be prepared to ________ to the change. [ ]
A.
adapt
B.
adopt
C.
apply
D.
devote
相关题目：
参考解析：
知识点：
题目纠错 0
发布
