编写程序求axx+bx+c=0的根 当bb-4ac>=0时输出两个实数根，当bb-4a*c<0时输出 此方程无解。
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The cooking, the cleaning and the childcare were all amazing bonuses that I don’t dare complain about...
A. The cooking, the cleaning and the childcare were done amazingly so l had no reason to complainabout my husband...
B. The cooking, the cleaning and the childcare were an unexpected huge help that I cannot think ofcomplaining about...
At times, this level of generosity made me look over my shoulder waiting for the other shoe to drop.
At times I was so impressed by this level of generosity that l wondered if anyone could ever do better than she.
B. At times this level of generosity made me very uneasy and i was very anxious about what wasgoing to happen next.
...his prioritizing work-related time away from home rather than coming home to be with his daughter.
A. ... his attaching more importance to work-related time away from home than to being at hometo be with his daughter
B. ... his going to work first and then going back home to be with his daughter.
We were clearly two people looking at the same painted wall and each declaring it different colours.
A. We were obviously very different in our opinions over the issue.
B. We were obviously having very different opinions as to the painting of the wall and each preferred a different colour.
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