[单项选择]Not only do these high tech systems make life more relaxing, but they also do so at no extra cost of time or energy. Every one of these features is designed to be the most convenient to any lifestyle. If a person’s favorite TV show is on the same night as the party of the year, then the mart house has already prepared to record it. The wired home can also save people from taking that extra trip to the grocery store by taking inventory of what is needed and making up a shopping list and ordering the food. A smart house can be controlled through a wall-mounted keyboard, a tele-command or even by voice. E-mail or voice mail can be checked from any TV or computer screen in the house because all screens are designed to be interchangeable and multipurpose.
A smart house cannot be controlled
A. through a computer keyboard.
B. through a tele-command.
C. by voice.C. through a big keyboard on the wall.

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[单项选择]Not only does it make expensive road systems unnecessary, but it enables vehicles to travel equally well over land and water.
A. 它不仅使昂贵的道路系统成为多余，而且使车辆能在陆地或水面上行驶同样好。
B. 它虽然使昂贵的道路系统成为多余，但是能使车辆在陆地或水面上行驶同样好。
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High-Tech Warfare (战争)

Today, high-tech warfare is no longer an abstract concept, but a real issue. Technology (1) tactics, sociology, and the development of weaponry (武器). It also causes the changes in battles. Then what are the new characteristics of modern battles (2) by the application of high technologies
High-tech warfare naturally includes high technology. In modern battles, a single kind of weapon can hardly be (3) . Various weaponry, such as intelligence detection and information processing, should (4) well with each other. Aerial (航空的) weaponry becomes the main force in battles in the sky. Precision homing (精确制导) weaponry like cruise missiles and missiles (5) satellite homing systems becomes the main attack weapons.
Battle control systems play a dominant role. Various weapons and logistics (后勤) systems are (6) into a comprehensive framework, centrally representing th
A. play
B. develop
C. know
D. work

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