[填空题]The reasons why health services grow fast today are______, the growing size of the U. S. population and the increasing proportion of older people in the population.

[填空题]The reasons why health services grow fast today are______, the growing size of the U. S. population and the increasing proportion of older people in the population.

[填空题]Today grasses grow on every continent for both animals and human beings who depend on them.

[填空题]Today atmospheric carbon dioxide concentrations are 31 percent more than that of______.

[单项选择]
In today’s fast-moving market, it is a simple fact that products are constantly being replaced by something new. For companies large and small, the most important real(21)with measurable, long-term value is loyal, one-to-one customer relationships. However, despite their importance, they do not(22)On any company’s balance sheet. If a company lost 10% of its inventory to theft, it would react swiftly, but if the company loses 10% of its customers, this may not be (23)
In this age of product (24) in which the market fails to perceive any profound difference between products or companies, effective management of customer relationships is critical in achieving a competitive (25)
Delivering quality service and achieving high customer satisfaction have been closely (26) to profits, and consequently the (27) all companies are trying to make is to provide

[单项选择]To compete in today’s fast-paced competitive environment, organizations are increasingly allowing contractors, partners, visitors and guests to access their internal enterprise networks. These users may connect to the network through wired ports in conference rooms or offices, or via wireless access points. In allowing this open access for third parties, LANs become (171) . Third parties can introduce risk in a variety of ways from connecting with an infected laptop to unauthorized access of network resources to (172) activity. For many organizations, however, the operational complexity and costs to ensure safe third party network access have been prohibitive. Fifty-two percent of surveyed CISOs state that they currently use a moat and castle’s security approach, and admit that defenses inside the perimeter are weak. Threats from internal users are also increasingly a cause for security concerns. Employees with malicious intent can launch (173) of service attacks o
A. damageable
B. susceptible
C. vulnerable
D. changeable