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【简答题】
A) enables B) positive C) initiative D) promotes 4. She's got a really ________ attitude to life. 5. This pass _______ me to travel half-price on trains. 6. It has long been known that regular exercise ______ all-round good health.
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举一反三
【简答题】An object in harmonic motion has amplitude 8.0 cm and frequency 0.50 Hz. At t = 0 s it has its most negative position. Write the function x ( t ) that describes the object’s position.
【简答题】钢管定径和 是热轧无缝钢管生产中最后的热精整变形工序。
【简答题】Like many 13-month olds, Byron knows a few words: mama, dada, and multipurpose sound ba for ball, baby, and bottle. But how can he tell his mother about the lions at the zoo or the piano at Gra...
【简答题】Seeing in Stereo (立体) You have two eyes and they are set close together on the front of your face . Have you wondered why ? The reasons are and important to the way you see the rest of your wor...
【多选题】通过数字家庭网络可以实现( )业务和应用。
A.
通过与internet互联，实现internet娱乐游戏等服务
B.
可实现家庭内部各种信息终端的高速信息共享
C.
可现防盗报警器、自动烟雾探测器、有害气体检测装置自动报警
D.
通过家庭网关实现远程对各种家用电器设备的控制、调节和监测
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