A:不溶于水,且比水更容易使碘溶解
B:易溶于水,且不与碘发生化学反应
C:不溶于水,且密度比水大
D:不溶于水,且密度比水小
You're ______.
已知a﹣b=2+3,b﹣c=2﹣3,则a2+b2+c2﹣ab﹣bc﹣ac的值为( )
Travelling to London
We think ⑴ is the best season to visit England.
We did most of our sightseeing(观光) ⑵ .
The best part of the trip was going to the theatre.
We don't think the English food is very ⑶ .