根据所给提示，完成句型转换。

1. I usually have supper at six o'clock. (改为一般疑问句)

   ______ you usually ______ supper at six o'clock?

2.The students of our class are doing morning exercises now. (改为否定句)

   The students of our class ________ __________ morning exercises now.

3. He will go to England next month. (改为反意疑问句)

    He will go to England next month, _______ ________?

4. Forty people have visited the museum. (对画线部分提问)

     _________ ____________ people have visited the museum?

5. (课改实验区考生做) Aunt Wang asked me to clean the room. (改为被动语态)

      I _________ __________ to clean the room by Aunt Wang.

    (非课改实验区考生做)

    She used the knife to cut the fruit a moment ago.(改为被动语态)

    The knife ________ ________ to cut the fruit by her a moment ago.

25℃培养时动力阳性，37℃培养时动力阴性的细菌是

A．小肠结肠炎耶尔森菌
B．福氏志贺菌
C．奇异变形杆菌
D．肠炎沙门菌
E．空肠弯曲菌