单项选择题 High-tech profits ______stock prices, making investors more willing to spend. And rising wages and bonuses for high-tech workers finance the purchases of new cars and homes.

单项选择题 Sometimes a bureaucrat’s ___ ruling can mean denial or loss of one’s welfare benefits.arbitraryC、 impersonalD、 objective

单项选择题 Companies are relying on temporary workers and outside consulting firms, which can be easily ___ during tough times.offB、 put acrossC、 brought offD、 taken amiss