皮皮学，免费搜题
登录
搜题
【多选题】
冷却液的功能主要有（）A.
冬季防冻
B.
防腐蚀
C.
防水垢
D.
防沸腾
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】Miss Li ___as a secretary for five years in the company, and now she is general manager of it.
A.
serves
B.
served
C.
has served
D.
had served
【单选题】Miss Li ___ as a secretary for five years in the company, and now she is general manager of it.
A.
has served
B.
had served
C.
served
D.
serves
【单选题】14-53. Which of the following italicized parts is used as an object complement?
A.
The front door remained locked
B.
The boy looked disappointed .
C.
Nancy appeared worried .
D.
He seemed to have no money left .
【简答题】财政政策对增加均衡国民收入效果较好的条件是什么？
【简答题】交流工频安全电压的上限值,在任何情况下,两导体间或任一导体与地之间都不得超过() V 。
【单选题】Dr Ma, ________ ORBIS doctor, has done so important ________ job that many people are grateful to him. [ ]
A.
a; a
B.
a; an
C.
an; a
D.
an; an
相关题目：