皮皮学，免费搜题
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【单选题】
当氧在体内获得四个电子:A.
O2-
B.
H2O2
C.
OH.
D.
LO.
E.
H2O
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【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
【简答题】在我们的章节教学中,自我认知主要讲述了哪四个方面
【简答题】分解因式：ax 2 +ax-b-bx=（ax 2 -bx）+（______）=（______）（______）．
【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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