单项选择题

For most companies today, getting into new markets with better, cheaper products, whether through an expansion or a new facility, is the sole objective. But (1) that, and doing it profitably means (2) and foremost knowing you will find the workforce.
The current nearly eight-year-long economic (3) has sent unemployment levels in the U.S. to (4) lows. Indeed, according to a recent study, some 80 percent of metropolitan areas today have unemployment rates (5) 6 percent; communities with highly skilled workers are hovering in the 2 to 4 percent range. Also (6) for that labor are foreign companies that have been operating here and want to expand.
(7) so many companies chasing the workforce, the (8) are high. The most important issue facing corporations is the (9) of qualified, entry-level labor at (10) wage rates.
But getting large groups of existing employees to (11) to a new facility—50 or more people at a time—is (12) these days. There are so many other jobs to be had without moving. (13) , the newgeneration of 20-something workers is more interested in staying (14) to maintain lifestyle standard and roots. Finally, with so many more dual-income (15) , people are unwilling to (16) the family financial arrangement with a move.
That means you’re probably going to be (17) with the existing labor pool in your chosen location. (18) the number of people needed, the (19) of thumb is that for every one position you have to (20) , there should be 5 to 10 workers already in the area.

（20）（）