例题解析：
　　High-tech warfare

　　Today， high-tech warfare is no longer an abstract concept， but a real __1__. Technology  determines tactics, sociology, and the development of weaponry. It also __2__ the changes in battles. Then what are the new characteristics of modern battles brought by the __3__ of high technologies?

　　High-tech warfare naturally includes high technology. In modern battles, a single kind of weapon can hardly be __4__. Various weaponry, __5__ intelligence detection and information processing, should work well with each other. Aerial weaponry becomes the main force in battles in the sky. Precision homing weaponry like cruise missiles and missiles __6__ satellite homing systems become the main attack weapons.

　　Battle control systems play a dominant role. Various weapons and logistics systems are integrated into a comprehensive framework, __7__ embodying the modern high-tech weaponry. Depending on various __8__ equipment and means in electronic warfare, our army will not be passively beaten, in terms of the battlefield, high-tech has created a type if non-linear chaos. __9__ the use of long-range precision weaponry, the opposite parties in warfare can’t touch or see each other, and distance is no longer the decisive factor affecting the course of battles. It is hard to clearly define the lines between the frontier and the rear, as well as attack and defense. The traditional three-dimensional air-sea battlefield will be __10__ by the multi-dimensional battlefield composed of air, magnetism electrical and information battlefields. No large-scale movements can be conducted.

　　Because modern weaponry systems are closely related to chains of demand and communication and electronic technology, the parties __12__ have to pay attention to the usufruct and control of electromagnetic frequency spectrum. So electronics warfare becomes __13__ important and the necessary guarantee of victory. __14__ stage warfare goes to and whatever cloak it wears, it always violates peace and brings the world  bloodshed. Most people think of high technology as a way to enhance __15__ lives, and they don’t wish it be used to destroy lives.

　　1. A. proposal  B. improvement C. change  D. issue
　　2. A. eliminates B. destroys  C. causes  D. reduces
　　3. A. appreciation B. application  C. evaluation D. modification
　　4. A. effective  B. active C. descriptive D. protective
　　5. A. as for  B. such as C. as such D. as to
　　6. A. with   B. on  C. in  D. under
　　7. A. unexpectedly B. accidentally  C. luckily  D. centrally
　　8. A. experimental B. controllable  C. advanced  D. dangerous
　　9. A. In terms of B. Regardless of C. Because of D. In spite of
　　10. A. repeated  B. rejected C. recovered D. replaced
　　11. A. secretly  B. physically C. usefully  D. linearly
　　12. A. informed  B. involved C. integrated D. intended 
　　13. A. equally  B. increasingly C. mentally  D. seemingly
　　14. A. Whatever  B. Whoever C. Whenever  D. However
　　15. A. our   B. your  C. their  D. his

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