白国周班组管理法中的“三提高”指提高安全意识、提高生产效率、提高团队凝聚力和战斗力。

Perhaps, every county suffered from inflation once or more times. Inflation is an economic condition in (B1) prices for consumer goods (B2) , and the (B3) of money or purchasing power decreases. There are three causes of inflation. The first and most important cause may be excessive government spending. For example, in order to (B4) a war or carry (B5) social programs, the government may spend more money than it has received through taxes and other revenues, thus creating a deficit. In order to (B6) this deficit, the Treasury Department can simply (B7) the money supply by issuing more paper money to (B8) the debts of government. This increase in the money supply will cause the value of the dollar to (B9) decrease. The second cause of inflation occurs when the money supply increases faster than the supply of goods. (B10) people have more money, they will run out to buy popular goods (B11) televisions and computers, for example, and a shortage will result. Industry will then produce more, at higher prices, to (B12) demand. (B13) , if people think that the prices of popular goods are going up, they will buy and even borrow money at high (B14) rates to pay for them. Finally, if labor unions demand that workers’ wages (B15) or (B16) the high cost of living, industry will meet this demand and add other costs of production on the (B17) . (B18) summary, all of these causes can (B19) inflationary problems that can affect the welfare of a nation. However, of these three causes, (B20) government spending may be the most important.

A．consumer

B．controller

C．manager

D．employer

在平面直角坐标系中，△ABC的三个顶点的位置如图所示，点A′的坐标是（-2，2），现将△ABC平移，使点A变换为点A′，点B′、C′分别是B、C的对应点。

（1）请画出平移后的像△A′B′C′（不写画法），并直接写出点B′、C′的坐标：B′ _________ 、C′ _________ ；

（2）若△ABC内部一点P的坐标为（a，b），则点P的对应点P′的坐标是 _________ 。

嫁接的关键是使接穗和砧木的（     ）紧密结合在一起。

A．髓

B．形成层

C．木质部

D．韧皮部

图甲为游乐园中“空中飞椅”的游戏设施，它的基本装置是将绳子上端固定在转盘的边缘上，绳子的下端连接座椅，人坐在座椅上随转盘旋转而在空中飞旋。若将人和座椅看成一个质点，则可简化为如图乙所示的物理模型，其中P为处于水平面内的转盘，可绕竖直转轴OO＇转动，设绳长l＝10m，质点的质量m=60kg，转盘静止时质点与转轴之间的距离d=4.0m，转盘逐渐加速转动，经过一段时间后质点与转盘一起做匀速圆周运动，此时绳与竖直方向的夹角θ=37º（不计空气阻力及绳重，且绳不可伸长，sin37º=0.6，cos37º=0.8）求质点与转盘一起做匀速圆周运动时。

（1）绳子拉力的大小；（2）转盘角速度的大小。

某系统的进程状态转换如下图所示，图中 1、2、3 和 4 分别表示引起状态转换时的不同原因，原因4 表示 （） ；一个进程状态转换会引起另一个进程状态转换的是 （） 。

图中1、2、3和4分别表示引起状态转换时的不同原因，原因4表示（）

A．就绪进程被调度

B．运行进程执行了P 操作

C．发生了阻塞进程等待的事件

D．运行进程时间片到了