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【简答题】
钳车轮制动器按其结构形式可分为 ___、 ___两种。旋转元件都是工作面的金算盘称为 ___盘。
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参考答案:
举一反三
【单选题】Now, our cat is home again, and we can't believe how many _______________.
A.
kittens does she have
B.
kittens has she
C.
she has kittens
D.
kittens she has
【单选题】下列直接触电情况中危险最小的是()
A.
高压系统中,中性点不接地系统的单相触电
B.
低压系统中,中性点不接地系统的单相触电
C.
高压系统中,中性点接地系统的单相触电
D.
低压系统中,中性点接地系统的单相触电
【单选题】假设 R[ax]=FFE8H,R[bx]=7FE6H,执行指令“subw %bx, %ax”后,寄存器的内容和各标志的变化为( )。
A.
R[ax]=8002H , OF=0 , SF=1 , CF=0 , ZF=0
B.
R[bx]=8002H , OF=0 , SF=1 , CF=0 , ZF=0
C.
R[ax]=8002H , OF=1 , SF=1 , CF=0 , ZF=0
D.
R[bx]=8002H , OF=1 , SF=1 , CF=0 , ZF=0
【简答题】Brain usually______s on the weekends. But this weekend he’s not playing. So he’s free to relax at home. A. play B. plays C. played 4. Woman: I’m sorry, Miss Wood is not here. Len: Jim Jim: h...
【单选题】假设 R[ax]=FFE8H,R[bx]=7FE6H,执行指令“addw %bx,%ax”后,寄存器的内容和各标志的变化为( )。
A.
R[ax]=7FCEH,OF=l,SF=0,CF=0,ZF=0
B.
R[bx]=7FCEH,0F=1,SF=0,CF=0,ZF=0
C.
R[ax]=7FCEH,OF=0,SF=0,CF=1,ZF=0
D.
R[bx]=7FCEH,OF=0,SF=0,CF=1,ZF=0
【单选题】触电形式中,以下_____是属于最危险的直接触电方式。
A.
双线触电
B.
电源中性点不接地的单相触电
C.
电源中性点接地的单相触电
D.
弧光触电
【简答题】"Chicken" is a ________ word for someone who is not very brave. 2. Tom won $5,000 in the lottery. He ran home and said to his wife, "We are rich! We won more money than we can ever spend!" His wife sa...
【单选题】假设 R[ax]=FFE8H,R[bx]=7FE6H,执行指令“subw %bx, %ax”后,寄存器的内容和各标志的变化为(__)。
A.
R[ax]=8002H,OF=1,SF=1,CF=0,ZF=0
B.
R[bx]=8002H,OF=1,SF=1,CF=0,ZF=0
C.
R[ax]=8002H,OF=0,SF=1,CF=0,ZF=0
D.
R[bx]=8002H,OF=0,SF=1,CF=0,ZF=0
【单选题】已知a>0,则x 0 满足关于x的方程ax=b的充要条件是(  )
A.
?x∈R, 1 2 a x 2 -bx≥ 1 2 a x 20 -b x 0
B.
?x∈R, 1 2 a x 2 -bx≤ 1 2 a x 20 -b x 0
C.
?x∈R, 1 2 a x 2 -bx≥ 1 2 a x 20 -b x 0
D.
?x∈R, 1 2 a x 2 -bx≤ 1 2 a x 20 -b x 0
【单选题】假设 R[ax]=FFE8H,R[bx]=7FE6H,执行指令“subw %bx,%ax”后,寄存器的内容和各 标志的变化为( )。
A.
R[ax]=8002H,OF=0,SF=1,CF=0,ZF=0
B.
R[bx]=8002H,OF=0,SF=1,CF=0,ZF=0
C.
R[ax]=8002H,0F=1,SF=1,CF=0,ZF=0
D.
R[bx]=8002H,0F=1,SF=1,CF=0,ZF=0
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