【单选题】听力原文:Can I give you a call if I have any further questions? (A) Sure, I can give you a ring of mine. (B) I' d be happy to help in any way possible. (C) No, it' s much further than that. (38)
【单选题】'(Shall) I give you a cheque (for $ 10)?' 'I'd rather you (give) me ($10 in notes).'
【单选题】— May I use your rubber? — Yes, ______. [ ]
【单选题】--- Shall I give you a hand as your case is so heavy? ----Thank you._____.
D.
It couldn’t be better.
【简答题】颗粒外表面温度与浓度 在Al 2 O 3 为载体的Ni催化剂上进行苯气相加氢反应 C 6 H 6 +3H 2 →环-C 6 H 12 催化剂为球形颗粒,直径为8mm,颗粒密度为0.9g/cm 3 ,堆积密度为0.6g/cm 3 ,反应物的质量流速为1500kg/(m 2 ·h)。已知在反应器中某处反应物组成为1.2%C 6 H 6 ,92%H 2 及6.8%环-C 6 H 12 气体温度为180℃...
【简答题】在氧化铝为载体的镍催化剂上,进行苯气相加氧反应以生产环己烷,即 C 6 H 6 +3H 2 →C 6 H 12 催化剂为圆柱状,直径和高度均为8mm,颗粒密度为0.9g/cm 3 ,堆积密度为0.6g/cm 3 ,反应混合物以质量速度为1500kg/(m 3 ·h),通过反应器。已知在反应器的某一截面处,反应混合物组成为:C 6 H 6 1.2%,H 2 92%,环-C 6 H 12 6.8%。气...
【单选题】关于自由时差和总时差,下列说法中错误的是()。
C.
不影响总工期的前提下,工作的机动时间为总时差
D.
不影响紧后工序最早开始的前提下,工作的机动时间为自由时差
【单选题】' (Shall I) give you a check (for $10) ? ' ' I'd rather you (give) me $10 (in notes).'
【单选题】— Did you give your father ______? — Yes, I advise he ______ smoke. [ ]
A.
an advice; should giving up
D.
a piece of advice; to give up