皮皮学，免费搜题
登录
搜题
【单选题】
下列关于蓄电池充放电的要求，正确的是（）。A.
电池容量试验后，充电期间24h不能停电
B.
电池放电容量不应大于其额定容量的70%
C.
采用3小时率放电，U终=1.835V
D.
铅酸蓄电池初充电完后，静置1h后方可进行放电测试
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
【判断题】When the price level rises unexpectedly, some businesses may mistake part of the increase for an increase in the price of their product relative to others and so decrease their production
A.
正确
B.
错误
【单选题】孕妇, 27 岁, G1Po ,妊娠 16 周,有风湿性心脏病,二尖瓣狭窄病史,心功能 II 级。 预计该孕妇何时相对不易发生心力衰竭
A.
妊娠22~24周
B.
妊娠32～34周
C.
第一产程
D.
第二产程
E.
产后48小时内
【单选题】In the long-run, some firms will exit the market if the price of the good offered for sale is less than
A.
marginal revenue.
B.
marginal cost.
C.
average total cost.
D.
average revenue.
【简答题】The customer can get some deals for half price.
【单选题】孕妇,25岁,G1PO,30周妊娠,前来医院进行产前检查,做骨盆外测量,下列哪条径线低于正常值:( )
A.
粗隆间径30cm
B.
坐骨结节间径9cm
C.
能耻外径17cm
D.
髂岭间径27cm
E.
髂前上棘间径26cm
【简答题】_______ There are many factors that influence people's purchasing decisions. In some circumstances, people buy mainly based on the price of the product. In other situations, the quality of the product...
【判断题】For some products with considerable profit margin, the seller should immediately cut the price after the counter-offer from the customer.
A.
正确
B.
错误
相关题目：