_____ the Internet of Things is to become a reality , its developers should pay more attention to its security.

China has become the world’s top user of the Internet-its population has increased a lot.

Internet has gradually played its increasing role _______my daily life.

Nowadays, with the advent (出现) and ______ of the Internet, its advantages and disadvantages have been a subject of heated discussion.

（）is the Internet commerce designed for direct communications and commercial relationship between a firmand its end customer.

2. Industry leaders, in turn, said the government needs to lead ___ example by improving the security of its own Internet assets.

The developmentof various communication technologies, such as telegraph, telephone, radio, and internet, has greatly changed the style of Englishand added its varieties.

The Internet began its quick development since ______ . A: six years ago B: five years ago C: recently D: not mentioned

Investors are interested in Internet retailing because______. A: selling online involves little risk B: Internet retailing is in its initial stage C: they can make huge profits from it D: it can easily reach millions of consumers

It’s difficult to 　 the definition of Internet slang due to the constant changes made to its nature. A: standardize B: standardizes C: standardizing D: standardized