信必可成份之一福莫特罗可以增强糖皮质激素的什么作用（） A.快速起效的作用 B.持久

现在钟表上时针指向8，那么2010小时后时针指向______．

动物的后天性行为（学习行为）对动物生活最有利的是         （   ）

A．找到食物

B．找到配偶

C．逃避敌害

D．适应复杂的生活环境

若点P（a，-b）在第二象限，则点Q（-ab，a+b）在第______象限．

Some people don’t believe that driving more slowly can save lives. But the truth is that driving more slowly can help a person to avoid serious accidents.

The following chart shows the distance that it takes to stop a car at a given speed. The distance is measured in feet. The shaded area shows the driver’s thinking distance. That’s the distance it takes for the driver to react to a danger that he sees. The white area shows the car’s braking distance. That’s the distance it takes for the car to stop once the brakes are used. The number at the top of each bar shows the total number of feet that it takes to stop the car

72. According to the chart, what is the total number of feet needed to stop a car that is traveling at 50 miles per hour?

A. 55.    B. 73.    C. 128.    D. 183.

73. What is the braking distance for a car that is traveling at 60 miles per hour?

A. 66 feet.    B. 119 feet.    C. 185 feet.    D. 251 feet.

74. Which of the following statements about braking and speed is TRUE?

A. The braking distance is what it takes for the driver to react to a danger that he sees.

B. The speed of a car has a direct effect on the distance needed to stop the car.

C. The braking distance increases only when a driver drives faster than 50 miles per hour

D. Driving slowly can help a person to avoid all accidents

75. The underlined word probably means _____.

A. equipment for slowing down or stopping    B. object that turns around

C. object to control the direction in a car    D. large glass window at the front of a vehicle

（）作为一种体验性的心理过程，就像我们心灵的晴雨表，反映着我们丰富多彩的内心世界。

A.挫折

B.意识

C.情绪

D.人际关系