经贸英语复习.doc

经贸英语复习.doc完形填空
TNC participation in agriculture has been further spurred by economic and political factors, such as the rise in food prices and shortages - resulting in some export bans - in certain commodities over the past few years. These drivers have also encouraged some speculative international investments in agriculture. In the wake of the food crisis, the push for food security has become a major driver of new investment in agriculture. Looking to host countries, the availability of underutilized agricultural land, increasingly coupled by the availability of water resources to irrigate the land, as well as more open policies towards land ownership and lease（租约）,have been the most important pull factors of investment in agriculture.
Although TNC involvement in agriculture varies considerably by host region and country, in those host countries, especially LDCs, where TNCs play a major role, they can have a wide range of economic, environmental, social and political impact. Given the social and political sensitivity of agriculture, these effects need to be examined carefully, including implications （含义）for food security in host and home countries. FDI and other forms of TNC involvement in agriculture pose a major challenge, as well as an opportunity, for both policymakers at home and in host countries. A new prominent（突出的）issue of particular relevance to host country policymakers