• 2022-05-30 问题

    曝光量的计算公式为() A: E=I+t B: E=I/t C: E=It D: E=I-t

    曝光量的计算公式为() A: E=I+t B: E=I/t C: E=It D: E=I-t

  • 2021-04-14 问题

    暴雨强度公式推求的图解法中,以重现期T为参数,将i-t关系点绘在双对数坐标纸上()。

    暴雨强度公式推求的图解法中,以重现期T为参数,将i-t关系点绘在双对数坐标纸上()。

  • 2022-10-25 问题

    下列的关系式错误是() A: T(i,j)=T(j)-t B: T(i,j)=T(i) C: T(i,j)=T(i) D: R(i,j)=T(i,j)-T(i,j)

    下列的关系式错误是() A: T(i,j)=T(j)-t B: T(i,j)=T(i) C: T(i,j)=T(i) D: R(i,j)=T(i,j)-T(i,j)

  • 2022-05-30 问题

    工序(i,j)的最早开工时间R(i,j)等于() A: T(j)-T(i)+t B: T(i,j)-T(i,j) C: T(i,j)-T(i,j) D: T(j)-T(i)-t

    工序(i,j)的最早开工时间R(i,j)等于() A: T(j)-T(i)+t B: T(i,j)-T(i,j) C: T(i,j)-T(i,j) D: T(j)-T(i)-t

  • 2022-06-06 问题

    I must answer the letter,_____? A: shouldn’t I B: wouldn’t I C: mustn’t I D: didn’t I

    I must answer the letter,_____? A: shouldn’t I B: wouldn’t I C: mustn’t I D: didn’t I

  • 2022-06-06 问题

    I had to tell the truth, ______ A: didn't I B: wouldn't I C: hadn't I D: shouldn't I

    I had to tell the truth, ______ A: didn't I B: wouldn't I C: hadn't I D: shouldn't I

  • 2022-06-06 问题

    I had to tell the truth, ________? A: hadn’t I B: wouldn’t I C: didn’t I D: shouldn’t I

    I had to tell the truth, ________? A: hadn’t I B: wouldn’t I C: didn’t I D: shouldn’t I

  • 2022-06-16 问题

    对于文法G(E): E®T|E+T T®F|T*F F®(E)|i句型(E) *i对应的最右推导 A: EÞTÞT*FÞF*FÞF*iÞ(E) *i B: EÞTÞT*FÞT*iÞF*iÞ(E) *i C: EÞTÞT*FÞF*FÞ(E)*i D: EÞTÞT*FÞ(E)*FÞ(E)*i

    对于文法G(E): E®T|E+T T®F|T*F F®(E)|i句型(E) *i对应的最右推导 A: EÞTÞT*FÞF*FÞF*iÞ(E) *i B: EÞTÞT*FÞT*iÞF*iÞ(E) *i C: EÞTÞT*FÞF*FÞ(E)*i D: EÞTÞT*FÞ(E)*FÞ(E)*i

  • 2022-07-29 问题

    -Don’t forget to come to my birthday party. -( ) A: I don’t B: I won’t C: I can’t D: I haven’t

    -Don’t forget to come to my birthday party. -( ) A: I don’t B: I won’t C: I can’t D: I haven’t

  • 2022-06-06 问题

    I had to tell the truth, ______ A: A) didn't I B: B) wouldn't I C: C) hadn't I D: D) shouldn't I

    I had to tell the truth, ______ A: A) didn't I B: B) wouldn't I C: C) hadn't I D: D) shouldn't I

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