A:(kπ−5π12,kπ+π12)(k∈z)
B:(kπ−π3,kπ+π6)(k∈z)
C:(2kπ−2π3,2kπ+π3)(k∈z)
D:(2kπ−5π6,2kπ+π6)(k∈z)
想一想,连一连。
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 .