【单选题】Work. Family. . Albert felt all the pressure and of any young husband and father.
A.
Beyond doubt; responsibility
B.
Make ends meet; responsibility
C.
Relations were strained; strain
D.
Reach a conclusion; foundation
【判断题】双边z变换必须表明收敛域,否则其对应的原序列将不唯一。
【判断题】股份有限公司申请其股票上市,该公司股本总额不得少于人民币一亿元。
【判断题】对双边z变换必须表明收敛域,否则其对应的原序列将不唯一。