句型转换。

1. This is my sister's room. (改为否定句)

    This ________ ________ my sister's room.

2. There are some apples on the tree. (改为一般疑问句) 

    ________ there ________ apples on the tree?

3. Those are some English books. (改为单数形式) 

    ________ English ________.

4. They are my parents. (改为同义句)

    They are my ________ and ________.

5. Her hat is behind the chair. (对画线部分提问)

    ________ ________ her hat?

按照《关于禁止商业贿赂行为的暂行规定》，下列属于商业贿赂的行为是()。

A．经营者为销售商品借劳务费、咨询费、佣金等名义，给对方单位或者个人现金

B．经营者为购买商品以报销各种费用等方式，给对方单位或者个人财物

C．经营者为销售商品而给对方单位或者个人赠送小额广告礼品

D．经营者为销售商品给对方单位或者个人提供国内外各种名义的旅游、考察

E．经营者为购买商品借促销费、宣传费、科研费、赞助费等名义，给对方单位或者个人现金