软熔带是炉内透气性最好的部位。（）

完形填空。      Do you know the Lazybones?Day? In   Holland(荷 兰) ,   Lazybones? Day  is   the day   1        lazy children．It is about seven weeks after Easter.Early in the morning on Lazybones?Day, children     2       through the streets. They laugh, they shout , and they beat (击 打)the plates and    3     .  In other words, they make as 4   noise as they can . They ring the doorbell   5    the door when they pass a house . If they find a boy    6    a girl sleeping, they will shout loudly, "Lazybones, Lazybones!" and try their best to   7   him or her up. So the poor lazybones has to take out cakes . The children will help     8        to the cakes and then they go back on to the street  to  find   another  lazybones. The first lazybones , of course , joins them and shouts as loudly   9     possible.Lazybones?Day started long ago because of a man named Piet Lak. There was once a war    10        Holland and its neighbouring(邻 近 的)  country. Piet Lak was a watchman then , but he fell  asleep while enemies(敌 人)  marched  through  Holland . After that people called him Lazy Lak, and they remember the day as Lazybones?Day. ( )1. A.with ( )2. A.walks ( )3. A.bowl ( )4. A.much ( )5. A.on ( )6. A.and   ( )7. A.awake ( )8. A.them ( )9. A.for ( )10.A.among B. for B. walk B. bowls B. many B. in   B. but B. wake     B. him   B.as         B. between C. to   C. walking C. a bowl C. more C. at C. or   C. make C. herself C. so     C in D. on         D. walked     D. the bowls' D. lot         D. onto       D. while       D. let         D. themselves D.be           D. on

下列运算正确的是（　　） A． (-11)2 =-11 B．(- 2 )2=2 C．2 2 - 2 =1 D． 32-22 = 32 - 22 =3-2=1

小刚用pH试纸测得家庭常用洗涤剂的pH如下表所示：

物质	厕所清洁剂	洗发精	洗衣液	厨房清洁剂
pH	1	8	10	13

在没有除锈剂的情况下，可以用来代替除锈剂的是

A.厕所清洁剂  B.洗发精   C.洗衣液  D.厨房清洁剂

通货膨胀使货币的（）功能收到破坏，成本、利润等都无法准确地核算。

A.价值尺度

B.流通手段

C.支付手段

D.贮藏手段

简述国家预算管理体制的概念及其实质。