下课了，可老师上课时讲的一个问题没听懂。这时你会（　）

It's very warm. You ______ to wear the coat.

2011年2月，在巴西、德国、印度和日本谋求联合国常任理事国的问题上，各常任理事国态度不一，美国坚决反对德国“入常”但支持日本，而中国则坚决反对日本“入常”。四国“入常”及各常任理事国的不同态度反映了①国家利益决定国家关系②意识形态决定国家关系③经济地位影响政治地位④联合国成为谋取利益的工具

Zhao Yan: Look at this photo, Wang Ying.

Wang Ying: Oh, I remember. It was Liu Ning, you and I that were at the gym. It was rainy that day. We went to the gym to watch Lin Dan play badminton. He played with a player of Australia. We yelled for Lin Dan. He played very hard. Finally he won. We were happy. We jumped up and down.

⑴Zhao Yan, Liu Ning and Wang Ying ____      A. happy.

⑵They watched ____                          B. won.

⑶Lin Dan played with ____                    C. were at the gym.

⑷Lin Dan ____                                D. a player of Australia.

⑸We were ____                               E. a badminton game.

等边三角形ABC绕着它的中心，至少旋转（　　）度才能与它本身重合．