皮皮学，免费搜题
登录
搜题
【简答题】
提取器的使用方法及原理是怎样的?
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
【简答题】Deserts are found where there is little rainfall or where rain for a whole year falls in only a few weeks' time. Ten inches of rain may be enough for many plants to survive if the rain is spread throu...
【简答题】听独白， 回答问题。 1. Where does the little fish live? A. In a bottle B. In a river. C. In the sea. 2. Which is not true? A. The little fish isn’t afraid of dark. B. The little fish has lots of friends. C. Th...
【简答题】Deserts are found where there is little rainfall or where rain for a whole year falls in only a few weeks' time. Ten inches of rain may be enough for many plants to survive (存活)if the rain is spread t...
【单选题】Where is the little girl?
A.
She's at the class room.
B.
She's at an internet bar.
C.
She's at her mother's office.
D.
She's at home.
【单选题】Where is the main branch of Eastwick Insurance?
A.
In Little Ridge Falls
B.
In North America
C.
In Europe
D.
In Toronto
【单选题】( )是指在风险的性质及后果已经得到确认,在分析了经济可行性之后,确定自留风险的最优性、筹划相应的财务准备。
A.
风险抑制
B.
主动自留
C.
被动自留
D.
风险转移
相关题目：