[填空题]Searching for love is no longer just a favorite subject for songs. It has also become a huge industry.
Experts say that the industry has grown because traditional social ties in the United States have (1) . Many young people leave behind a close community of friends and family to find work in bigger cities. People work longer hours, so they have less time to meet new people. So they depend (2) on technology.
This helps explain the (3) of online dating. Some estimates say 120,000 marriages a year result from (4) made on the Internet.
The dating industry has also been expanding in new and interesting ways. Many companies around the country offer (5) services for finding the perfect mate. These companies are answering a large demand by single people. They are willing to (6) their time and money to find love with (7) planned methods, instead of leaving love to chance.
For example, in Vir

It is no longer just dirty blue-collar jobs in manufacturing that are being sucked offshore but also white-collar service jobs, which used to be considered safe from foreign competition. Telecoms charges have tumbled, allowing workers in far-flung locations to be connected cheaply to customers in the developed world. This has made it possible to offshore services that were once non-tradable. Morgan Stanley’s Mr. Roach has been drawing attention to the fact that the "global labour arbitrage" is moving rapidly to the better kinds of jobs. It is no longer just basic data processing and call centres that are being outsourced to low-wage countries, but also software programming, medical diagnostics, engineering design, law, accounting, finance and business consulting. These can now be delivered electronically from anywhere in the world, exposing skilled white-collar workers to greater competition.
The standard retort to such arguments is that outsourcing abroad
A. the blue-collar job market
B. the geographic location of the underdeveloped world
C. the fierce competition among skilled workers
D. the dive of telecoms fee