新一期英语b班课后.docxVIP

Unit 1 ?In the 21st century, clouds and stormy weather no longer automatically bring military operations to a halt or force a change in targets. Technologies such as the Global Positioning System now allow (1) cruise missiles (巡航导弹) and other smart weapons to home in on (瞄准并飞速接近) their targets. But the weather still is a factor that must be reckoned (2) with, especially with precision-guided weapons that must be highly (3) accurate to be effective.????Fortunately, the ability to obtain weather forecasts (4) will get better. In the next few years, remote weather sensors will grow rapidly (5) on unmanned vehicles. This will create a network of observing platforms that will give commanders a(n) instant (6) overview of weather in the battle zone. In some areas youll have direct delivery (7) of weather information straight from the computers to black boxes in aircraft and other vehicles. That will be especially important for target-bound aircraft. ????Such technology will give whoever possess it a tremendous edge (优势) over their enemy and enable them to use developing weather conditions to their advantage (8). As we get superior satellites into space, well gain huge advantages in observing (9) meteorological conditions in denied areas, where we dont have people on the ground. And our modeling ability will continue to improve as our computers get more powerful (10). The past 10 years have witnessed a revolution in our communications and computer abilities. Its exciting to think of what the next 10 years will bring. 1) 多尔蒂先生和他的家人目前正在农场忙于秋收。（be engaged in doing sth.） Mr. Doherty and his family are currently engaged in getting the autumn harvest in on the farm. 2) 我们不能低估敌人，他们装备了最先进的武器。(underestimate, equip) We must not underestimate the enemy. They are equipped with the most sophisticated weapons. 3) 菲尔已三个月没有找到工作了，正变得越来越绝望。(desperate) Having been out of a job / Not having had a job for 3 months, Phil is getting increasingly desperate . 4) 作为项目经理，山姆办事果断，工作效率高，且判断准确。（effi