If they ______, our plan will fall flat.
A: are co-operating
B: had not co-operated
C: won’t co-operate
D: didn’t co-operate
A: are co-operating
B: had not co-operated
C: won’t co-operate
D: didn’t co-operate
举一反三
- The boy would have died, ______ on him without delay. A: if the doctor didn’t operate B: if the doctor wouldn’t operate C: would the doctor not operate D: had the doctor not operated
- 在做废气分析时,对各气体的吸收顺序正确的是()。 A: CO→O→CO B: CO→CO→O C: CO→CO→O D: O→CO→CO
- He asked who was the man _______. A: being operated on B: operating on C: operate on D: operates on
- MFA吸收CO2过程中对于()是惰气。 A: CO,CO,H B: CO、H、N C: HS、CO、N D: HS、CO、CO
- 下列关于CO变换率的计算错误的是()。 A: A(进口CO量-出口CO量)/进口CO量 B: B变换了的CO与反应前气体中CO之比 C: C进口CO量/出口CO量 D: D出口CO体积百分含量/[进口CO体积百分含量(1+出口CO体积百分含量)]