要得到$y=3\sin \left(2x+\frac{\pi }{4}\right)$的图象，只需将$y=3\sin 2x$的图象（   ）.

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.

某同学为探究电流通过导体产生热量的多少跟电阻的关系，设计了如下电路图，其中正确的是（  ）

阅读理解。

 Dear Mum,

    Thanks for the new dress. It's so nice! It's hot in Wuhan. I wear the dress to school. I am very happy. Miss Li says I can go back home after Friday. I want to buy a pair of sunglasses.They'reninety-one yuan. Thet're too expensive.

                                                                                                                                                                                              Love,Mary