You can find all kinds of information in just                  

a few minutes on the Internet. It’s l__1____ going to a    1. __________

huge ____2____(图书馆) without having to walk around to     2. __________

find your books. Recently,  ___3____, many people           3. __________

have been d____4____ the dangers of the Internet.           4. __________

There have b___5____ reports in America about people        5. __________

trying to steal personal information for bad ___6____(目的).     6.___________         

Finding information ___7____the Net is easy. But not all    7. __________

information is good to ___8___(社会). For example, you      8. __________

can find such information as ___9___ to kill people.        9. __________

The problem will become more s___10___ in the future.       10.___________       

拉线中把的扎固有另缠法、夹板法二种，请说出拉线中把在1×7/3.0拉线程式下，另缠法首节、间隙、末节、留头长度和总长是（）mm。

A、200、230、150、100、600

B、150、280、100、100、600

C、100、280、100、100、600