皮皮学，免费搜题
登录
搜题
【多选题】
动物体内含量相对较少的物质有（）。A.
维生素
B.
脂肪
C.
碳水化合物
D.
蛋白质
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】The order from the commander was that the troops ______ (立即开拔去前线).
【简答题】Factors of Production
【简答题】生后第一年身高生长约:
【简答题】The commander ordered his troops stationed on the top of the hill. A B C D
【单选题】The attainable production points on a production possibility curve are:
A.
the horizontal and vertical intercepts.
B.
the points along the production possibilities frontier.
C.
the points outside the area enclosed by the production possibilities frontier.
D.
the points along and inside the production possibility frontier.
【单选题】Production engineers from headquarters can give instructions to the production engineering manager in a factory only with permission from ______.
A.
the general manager there.
B.
the engineering manager there.
C.
the chief production engineer at headquarters.