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【单选题】
He cannot be tired _______ he has walked only half a mile.
【单选题】
I am[填空]?tired?that I don’t want to go out.
【单选题】
I was ______ tired that I had to rest.
【单选题】
We were too tired to ( ) the interesting conversation.
【多选题】
We were very tired and wanted to get home ____________________ .
【单选题】
Everyone of them _______ tired and wanted a good rest.
【单选题】
I am so tired that I spend one day _______.
【单选题】
2. Everyone of them ____ tired and wanted a good rest.
【单选题】
You cannot remember things_________ you are tired or unhappy.
【单选题】
A: Its a long journey. You look tired. [填空]? B: Yes. Could you take that suitcase, please? A: Sure.
④
May I help you with anything
【单选题】
( )是取代镍镉电池的理想碱性电池产品。
【单选题】
下列DC/DC所执行的功能正确的是:()
①
完成动力电池电源的输出及分配,实现对支路用电器的保护及切断
④
?将输入的直流电逆变为电压、频率可调的三相交流电。
【单选题】
电流在其周围的空间产生磁场,这磁场使载流导体受到力的作用这种效应称为()。
【单选题】
铅酸电池在放电过程中电解液的密度会逐渐( )。