皮皮学，免费搜题
登录
搜题
【单选题】
水准仪安置符合棱镜的目的是()A.
易于观察气泡的居中情况
B.
提高管气泡居中的精度
C.
保护管水准气泡
D.
便于瞄准
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】The driver was at _____ loss when ______ word came that he was forbidden to drive for speeding. [ ]
A.
/;the
B.
a; the
C.
/; /
D.
a; /
【简答题】We could take the train or __________ go by car． [A]alternatively [B] alternately [C] instead [D] oppositely
【单选题】The driver was at ___ loss when ___ word came that he was forbidden to drive for speeding. [ ]
A.
a ; the
B.
/ ; /
C.
the ; the
D.
a ; /
【单选题】The driver was at ______ loss when ______ word came that he was forbidden to driv e for speeding. [ ]
A.
a; /
B.
/; /
C.
the; the
D.
a; the
【单选题】With temperature ______ so rapidly, we could not go on with the experiment.
A.
fell
B.
fall
C.
falling
D.
fallen
相关题目：
参考解析：
知识点：
题目纠错 0
发布
