题目内容

6个月的孩子的孩子与另外一个孩子抢玩具,并且打了对方。这个时候已经是攻击行为。

A. 对
B. 错

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Toyota is in the process of recalling millions of cars in a number of recalls. The latest recall involves hybrid cars—(1)_____ the latest generation Prius—and was(2)____by concerns about the cars’braking systems.(3)_____, Toyota is also recalling millions of vehicles owing to fears of a sticking(4)_____pedal and floor mat. The situation is complex as in some cases different countries are recalling different models. Toyota is also facing a US (5)_____into complaints of steering problems in its 2009-2010 Corolla Model. An estimated 500,000 vehicles are thought to be involved but a recall has not been announced for this particular issue.What’s the problem?Prius owners have reported that brakes(6)____ fail when driving in icy or slippery conditions or over potholes. Normally the anti-lock braking system (ABS) engages and(7)____ many times a second as the system reacts to the slippery tires. But as Toyota puts it, some drivers have complained of “inconsistent brake feel” during slow and steady braking on some surfaces when ABS is(8)_____.The solution involves an(9)_____of the software in the braking system, which should take less than an hour and will be carried out for free by official Toyota service centers. Toyota stresses that the cars are still safe to drive and the brakes will stop the car. US safety(10)_____, however, have said they have received reports of accidents, including a small number of reported injuries. If you experience the “inconsistent” braking feeling, the advice is to press hard on the brake pedal. This should stop the vehicle safely.

location impact orbiting warn frustratingconverted vibrate detectedcalculatedistanceTwo of the most _____ (1) things about driving a car are getting lost and getting stuck in traffic. While the computer revolution is unlikely to cure these problems, it will have a positive ____ (2). Sensors in your car tuned to radio signals from ____ (3) satellites can locate your car precisely at any moment and ___ (4) of traffic jams. They make it possible to determine your ____ (5) on the earth to within about a hundred feet. At any given time, there are several GPS satellites orbiting overhead at a ____(6)of about 11,000 miles. Each satellite contains four "atomic clocks," which ___ (7) at a precise frequency, according to the laws of the quantum theory.As a satellite passes overhead, it sends out a radio signal that can be ____ (8) by a receiver in a car's computer. The car's computer can then ____ (9) how far the satellite is by measuring how long it took for the signal to arrive. Since the speed of light is well known, any delay in receiving the satellite's signal can be ____ (10) into a distance.

74138译码器有几个输入,会产生几个输出?

A. 3 8
B. 3 3

当使能端无效时,74138的输出为多少?

A. 全为111111111
B. 全为000000000

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