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【单选题】
关于SR04超声测距模块,说法错误的是( )A.
必须给Trig端子10us的高电平信号,以触发模块测距功能
B.
触发测距功能后,模块会自动发送1个40kHz的超声脉冲
C.
模块发出的超声波脉冲频率是40kHz
D.
GND端子接地
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【单选题】某企业与同一客户在相近时间内先后订立了两份合同,以下条件,这两份合同不能合并为一份合同进行会计处理的是( )。
A.
该两份合同基于同一商业目的订立
B.
该两份合同中的对价金额互不相关
C.
该两份合同中所承诺的商品构成准则规定的单项履约义务
D.
该两份合同中所承诺的部分商品构成准则规定的单项履约义务
【简答题】How could people keep a balance between food and health? Do you agree that "You are what you eat"? Why or why not?
【简答题】A supplier sends you a statement showing a balance outstanding of $14,350. Your own records show abalance outstanding of $14,500. Which one of the following could be the reason for this difference?A. ...
【单选题】A supplier sends you a statement showing a balance outstanding of＄14350. Your own records show a balance outstanding of＄14500.The reason for this difference could be that:
A.
the supplier sent an invoice for ＄ 150 which you have not yet received.
B.
the supplier has allowed you ＄ 150 cash discount which you had omitted to enter in your ledgers
C.
you have paid the supplier ＄ 150 which he has not yet accounted for
D.
you have returns goods worth ＄ 150 which the supplier has not yet account for
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