下列做法能够体现呵护生命的是（    ）

①外出游玩，遇到意外伤害及时自救     ②遇到落水者，不管任何情况马上下水救人

③陌生人送给的饮料，尽情享用             ④看到歹徒行凶，及时拨打110报警

下列关于细胞的说法正确的一组是（      ）
①含细胞壁结构的细胞必定为植物细胞          ②含中心体的细胞必定为动物细胞
③同一动物体不同组织细胞中线粒体含量不同    ④植物细胞必定含叶绿体
⑤能进行光能自养的生物不一定是绿色植物

    Today was Emily's birthday. She was happy and went home quickly after school.

    “You have to look for your gift on your own，” her sister said. “Here is the first clue(线索).” She gave Emily a piece of paper.

    Emily opened the note and read， “Clue Number 1： Look inside the car.” She found a bone(骨头) for dogs and another note in the car.

    “Clue Number 2： Look at the swing.” On the swing there was a bag of dog food with the third note.

    Again she quickly read the note， “Clue Number 3： Look into the house.” Emily found a dog's leash(皮带) there.

    The note on the leash asked her to go outside. There she saw a beautiful red doghouse.

    Before she got there， a black puppy ran up to her. It had a note on it. The note said， “Happy Birthday， Emily.”

    “Oh， such a cute dog!” she cried. She was so happy. “I will name her Happy， because she made me so happy today，” Emily said.

A:Excuse me, sir?

B：Yes?____

A:I want to go to the train station, but I don't know how to get the ticket from the TVM(自动售票机）.

B:____ Well, just press(按）here.

A:How much is the ticket?

B:____

A:All right. By the way, how often do the trains come?

B:About every six minutes.

A:____

B:At 11:00 p.m.

A:OK. Got it. Thank you for your help.

B:____

A:Goodbye!

B:Bye-bye!