【单选题】小容量品体管调速器电路的主回路采用单相桥式半控整流电路,直接由
【单选题】甲公司和乙公司组成联合体投标竞争丙公司的招标项目并且中标,则由( )。
【单选题】当你感觉到你的Win2000运行速度明显减慢,当你打开任务管理器后发现CPU的使用率达到了百分之百,你最有可能认为你受到了哪一种攻击。
【单选题】Choose the best translation for the following sentence: 手头上的钱不够用了,他只好打消买皮鞋的念头。
A.
Money is not enough. He has to drop the idea to buy a pair of leather shoes.
B.
Money being not enough, he has to drop the idea to buy a pair of leather shoes for the time being.
C.
Money is not enough, he has to drop the idea to buy a pair of leather shoes for the time being.
D.
Money is not enough, so he has to refuse to buy a pair of leather shoes.
【多选题】某企业2010年8月,销售一批化妆品,化妆品的成本为80万元,为了销售发生摊销费用0.5万元,化妆品的销售价款为100万元,应收取的增值税销项税额为17万元,销售该批化妆品应交的消费税30万元,根据这项业务,下列表述中正确的项目有( )
B.
主营业务收入,账户应反映贷方发生额100万元
【判断题】PWM利用功率半导体器件的高频开通和关断,把直流电压变成按一定宽度规律变化的电压脉冲序列,实现变频、变压并有效地控制和消除谐波。
【单选题】当你感觉你的win2000运行速度明显减慢,或者当你打开任务管理器后发现CPU的使用率达到了百分之百,你最有可能受到哪种攻击?
【单选题】手头上的钱不够用了,他只好打消了买皮鞋的念头。 ( )
A.
Money is not enough. He has to drop the idea to buy a pair of leather shoes.
B.
Money being not enough, he has to drop the idea to buy a pair of leather shoes for the time being.
C.
Money is not enough, he has to drop the idea to buy a pair of leather shoes for the time being.
D.
Money is not enough, so he has to refuse to buy a pair of leather shoes.