【多选题】二极管最主要的电特性是 稳压二极管在使用时,稳压二极管与负载并联,稳压二极管与输入电源之间必须加入一个
【简答题】二极管最主要的特性是 ,稳压二极管在使用时,稳压二极管与负载并联,稳压二极管与输入电源之间必须加入一个 。
【单选题】TTL 与非门静态空载截止功耗指的是图 5 中的哪个三极管截止 。
【单选题】—How are you getting along with your studies? —Not very well, ______.
【单选题】投资者张某是某期货公司客户经理胡某的客户,李某是该期货公司交易部经理。某天,行情波动较大,刚好张某有事不在期货公司,胡某在未经张某委托的情况下私自做了几笔交易,且都在当日平仓,获利6000元。交易结束后,因为交易指令单上没有指令下达人的签字,李某找到胡某,让其找张某对当天交易进行确认,但胡某却要求李某将张某账户的当天交易结算到另一个账户。李某为了拉拢胡某,便私自做主,将张某交易账户的交易结算到其指...
【单选题】听力原文:M:Well,I have written my name,date of birth,and address,anything else? W:I'm afraid you should show me your passport and write down the number of your mobile phone before I give you the room card...
A.
He is checking in a hotel.
B.
He is applying for a bank account.
C.
He is filling in the applicant form.
D.
He is reporting his loss of luggage.
【简答题】生态环境部部长表示,组建生态环境部将实现“五个打通”:第一是打通了地上和地下;第二是打通了岸上和水里;第三是打通了陆地和海洋;第四是打通了城市和农村;第五是打通了一氧化碳和二氧化碳,也就是统一了大气污染防治和气候变化应对。 你如何 理解 “五个打通”的内涵和外延?具体指的是哪些部门得哪些职能?
【单选题】听力原文:M: Excuse me, I have a ticket for the 6 o'clock flight to New York, but I'm afraid I can't make it. Is there a seat available for tomorrow morning? W: Let me see. I'm sorry, all the morning fligh...
A.
The man has changed his destination.
B.
The man is returning his ticket.
C.
The man is flying to New York tomorrow morning.
D.
The man can't manage to go to New York as planned.
【单选题】,合金渗碳钢渗碳后必须在渗碳后进行( )才能使用。
【多选题】各级生产技术部门应按照三级评价要求,按时组织开展设备状态评价,积极发挥各级状态评价指导中心的作用,确保工作质量,其中“三级评价”是指哪三级?()