皮皮学，免费搜题
登录
搜题
【判断题】
在20世纪60年代是我国经济建设急需石油的时期。( )A.
正确
B.
错误
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】已知定义在R上的奇函数f（x）在区间（0，+∞）上单调递增，且 f( 1 2 )=0 ，△ABC的内角A满足f（cosA）≤0，求角A的取值范围
【简答题】If certain important elements are missing, a diet which contains nothing harmful ____________________(也会引起严重疾病).
【单选题】Which of the following statement about The five-elements theory is NOT true？
A.
The five-elements theory relates to concepts that were developed over time in the daily life of the people of ancient China.
B.
The five elements are water, wood, soil, fire and metal.
C.
The theory holds that these five elements are the five base materials which make up all the things in the natural world.
D.
Wood refers to the category of things that have the nature of soil and land.
【简答题】在下列的五组视图中,其正确的两组视图是( )。
【简答题】在下列的五组视图中,其正确的两组视图是( )A. B. C. D. E.
相关题目：