皮皮学，免费搜题
登录
搜题
【单选题】
The basic difference between macroeconomics and microeconomics is thatA.
macroeconomics is concerned with the forest (aggregate markets), while microeconomics is concerned with the individual trees (subcomponents).
B.
macroeconomics is concerned with policy decisions, while microeconomics applies only to theory.
C.
microeconomics is concerned with the forest (aggregate markets), while macroeconomics is concerned with the trees (subcomponents).
D.
opportunity cost is applicable to macroeconomics, and the fallacy of composition relates to microeconomics.
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】胸痹患者，女，45岁。胸闷如窒而痛，气短喘促，肢体沉重，体胖痰多，舌苔浊腻，脉滑。其证候是
A.
饮邪上犯
B.
痰浊壅塞
C.
心血瘀阻
D.
寒凝气滞
E.
气虚血瘀
【单选题】干气密封在调节时主要是防止（）。
A.
干气密封的流量过大，密封损坏
B.
干气密封的压力过低，密封泄漏
C.
干气密封的流量过大，轴振动上升
D.
干气密封压力过高，轴振动上升
【单选题】胸痹患者，女，45岁。胸闷如窒而痛，气短喘促，肢体沉重，体胖痰多，舌苔浊腻，脉滑。其证型是
A.
饮邪上犯
B.
痰浊闭阻
C.
心血瘀阻
D.
寒凝气滞
E.
气虚血瘀
【单选题】胸痹患者，女，45岁。胸闷如窒而痛，气短喘促，肢体沉重，体胖痰多，舌苔浊腻，脉滑。其证型是
A.
饮邪上犯
B.
痰浊壅塞
C.
心血瘀阻
D.
寒凝气滞
E.
气虚血瘀
相关题目：