下列不属于财政政策按照在调节国民经济总量和结构的功能进行分类的是（）。 A.扩张性的

在“用单摆测重力加速度”的实验中。

（1）某同学的操作步骤为：

a．取一根细线，下端系住直径为d的金属小球，上端固定在铁架台上；

b．用米尺量得细线长度l；

c．在摆线偏离竖直方向5°位置释放小球；

d．用秒表记录小球完成n次全振动的总时间t，得到周期T＝t/n；

e．用公式计算重力加速度。

按上述方法得出的重力加速度值与实际值相比____________（选填“偏大”、“相同”或“偏小”）。

（2）已知单摆在任意摆角θ时的周期公式可近似为，式中T₀为摆角趋近于0°时的周期，a为常数。为了用图像法验证该关系式，需要测量的物理量有____________；若某同学在实验中得到了如图所示的图线，则图像中的横轴表示____________。

痰蒙心神可见

A．心烦失眠，口舌生疮
B．神志痴呆，表情淡漠
C．发热气粗，躁狂谵语
D．胆怯易惊，失眠多梦
E．噩梦纷纭，胸胁灼痛

阅读理解。

     Le Whif, an inhaler (吸入剂) that allows chocolate lovers to meet their needs whenever they please

without putting on weight, is to be released in British stores. The invention, called the world's first breathable

food by its creators, lets consumers suck in the taste of chocolate or coffee while taking on less than one

calorie. Its makers claim it will enable dieters to enjoy their favorite snacks without worrying about their

waistline.

     The lipstick-style tube contains hundreds of milligrams of tiny food particles which are small enough to

become conveyed by air, but too large to enter the lungs. Each Le Whif contains enough flavor for about

eight to ten whiffs (喷射) and costs 1.99 on its own, or ￡4.99 for a pack of three. The inhaler is available

in chocolate, raspberry chocolate and mint chocolate models as well as coffee flavor, which gives a dose of

caffeine equivalent to a small short of strong black coffee.

     It was invented by Prof. David Edwards. He said Le Whif was not designed to replace food but could be

used to increase dining experiences, such as allowing people to sample a variety of dishes from restaurant

menus before ordering their meal.

     He said, "In terms of living off whiffing we aren't even close to being there. But there clearly has been a

revolution over the last few years where we are eating smaller amounts of food more frequently and choosing

food or its aesthetic (审美的) pleasure. We will be launching new whiffing experiences probably every six

months. It is reasonable to assume that the next line of whiffing products will be even more health centered."

     The product was released in Paris in 2009 and the initial production run of 25,000 inhalers were sold out

within a month. It has since been made available across France and in the US. In Britain Le Whif is to be sold

firstly in House of Fraser for a month, after which it could become more widely distributed.

1. According to Paragraph 1, Le Whif ____.

A. is a new kind of healthy food

B. contains few nutrients in fact

C. is popular with British chocolate lovers

D. is able to help dieters lose weight

2. What's the main purpose of inventing Le Whif?

A. To produce all kinds of chocolate.

B. To replace the traditional chocolate.

C. To change the coffee flavor.

D. To increase people's dining experiences.

3. Which of the following statements does David Edwards agree with?

A. His new products will come out once a year.

B. Le Whif is a revolution that will change people's life.

C. The whiffing products in the future will be improved.

D. Le Whif can make people eat less food.

4. From the passage, we know that ____.

A. customers can buy Le Whif all over the world

B. I.e Whif hasn't been made available in British stores

C. Ie Whif contains hundreds of tiny food particles which are small enough to enter the lungs

D. Le Whif can help to lose weight but is harmful to health

厥之实证的特点有（）

A.面红气粗

B.声高息促

C.口噤握拳

D.或挟痰涎壅盛

E.舌红苔黄腻

现代汽轮机的保安系统一般具有哪些保护功能？其各自作用是什么？