【单选题】在三相异步电动机单向连续运转按钮-接触器电气控制电路中,接触器不具各的保护功能是( )。
【单选题】Dirt lodged on the nozzle valve seat of a fuel injection nozzle will cause _____.
A.
insufficient fuel delivery through that nozzle
B.
fuel leakage into the nozzle drain line
C.
fuel leakage before and after injection
D.
erosion and cratering of the nozzle orifices
【单选题】下面程序段的执行结果是( )。publicclassFoo{publicstaticvoidmain(String[]args){try{return;}finally{System.out.println("Finally");}}}
【简答题】阅读理解 When you were looking for a reliable, honest auto mechanic, how did you find him?Before you went into that restaurant you recently tried, how did you know that it served great food?If you are lik...
【简答题】How did you find your visit to Qingdao, Joanna? A. Oh, wonderful indeed B. I went the alone C. First by train and then by ship D. A guide showed me the way
【多选题】下列哪些概念是错误的 ? ( )
B.
ABO不合引起新生儿溶血病多见母亲为O型,新生儿为A型或B型
C.
ABO不合引起新生儿溶血病多见母亲为A型或B型,新生儿为O型
E.
Rh不合引起新生儿溶血病其母亲都是ccdee
【多选题】下列哪些概念是错误的?
A.
ABO血型 不合引起的新生儿溶血病可发生于第一胎
B.
ABO血型 不合引起的新生儿溶血病多见于母亲为O型,新生儿为A型或B型
C.
ABO血型 不合引起的新生儿溶血病多见于 母亲为A型或B型,新生儿为O型
D.
Rh血型 不合引起的新生儿溶血病多发生在第一胎
E.
Rh 不合引起新生儿溶血病其母亲都是ccddee
F.
新生儿溶血病是指母、婴血型不合引起的新生儿同种免疫性溶血
【简答题】how did you find the place?
【单选题】下面程序段的执行结果是()。publicclassFoo{publicstaticvoidmain(String[]args){try{return;}finally{System.out.println("Finally!");}}}
D.
因为没有 catch 语句块,所以不能通过编译