句型转换。

1.There are many cars and buses on the street. (改为一般疑问句)

2. She is reading a book. (就画线部分提问)

3. Jenny can fly a kite. (改为否定句)

4. He hurts his nose. (改为同义句) 

5. This is easy for me. (改为同义句)

从每批项目产品中抽取一定比例的样品作为样本，作通过或不通过的检验，符合规定要求的予以验收。这种方法是（）

A.全检

B.抽查

C.抽样验收检查

D.合格证检查