皮皮学，免费搜题
登录
搜题
【多选题】
关于石英晶体描述正确的是A.
化学式为SiO 2
B.
晶体结构为正六面体
C.
具有压电效应
D.
不具有压电效应
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】In times of rising prices, the FIFO method of inventory valuation, when compared with the average cost method of inventory valuation, will usually produce which of the following?
A.
A higher profit and a lower closing inventory value
B.
A higher profit and a higher closing inventory value
C.
A lower profit and a lower closing inventory value
D.
A lower profit and a higher closing inventory value
【单选题】When demand is steady, cycle inventory and lot size are related as
A.
Cycle Inventory = Lot Size × 2.
B.
Cycle Inventory = Q*2.
C.
Cycle Inventory = Q/2.
D.
Cycle Inventory = Lot Size = Q.
E.
none of the above
【单选题】患者,男性59岁,慢性肝炎病史20年,腹胀、尿少,近期出现神志恍惚、言语多,考虑肝性脑病,应首先进行哪项血液检查?
A.
血糖
B.
血脂
C.
血尿素
D.
血氧
E.
血氨
相关题目：