水泥作为护壁堵漏材料有什么作用和特点？

短文填空。    

     An eight-year-old child heard her parents talking about her  little brother. All she knew was that he

was very sick and they had no money. Only a very  (1) e        operation could save him now but there

was no one to lend them the money.

     When she  (2) h         her daddy saying to her tearful mother, "Only a miracle  (奇迹) can save him

now," the little girl went to her bedroom, took out her money and counted it (3) c         .

     She hurried to a drugstore (4) w       the money in her hand.

     "What do you want?" asked  the salesman. "It's for my  little brother," the girl answered. "He's really,

really  (5) s       and I want to buy a miracle." "Pardon? " said the salesman.

     "My brother Andrew has something bad (6)       g inside his head and my daddy says only a miracle

can save him. So how much does a miracle cost?" "We don't sell a miracle here, child.  I'm sorry,"  the

salesman said with a smile.

     "Listen,  if  it  isn't  (7) e       ,  I can  try and get some more. Just tell me how much it costs."

     A well-kind man heard it and (8) a        , "What kind of miracle does your brother need?"

     "An operation!" she answered with her eyes full of  (9 t         . " But my daddy can't afford  it, so  I

have brought all my money."

     "How much do you have?" asked the man. "$1.11, but I will do my (10) b       to make more," she

answered.

     "Well, what a good piece of advice you have!" (11) s        the man. "$ 1.11,  the price of a miracle  

for your little brother."

     He  took up  the girl's hand and said, "Would you mind  taking me  to your house?  I want  to see

your brother and your parents. Let's see if I have the kind of miracle you need."

     That well-dressed man was Carlton Armstrong, a  (12) f        businessman. The operation was

successful. And  it wasn't  long before Andrew was well again.

皮下注射药物的吸收方式是（）

A.水溶扩散

B.脂溶扩散

C.氨基酸载体转运

D.胞饮现象

E.特殊载体摄入

握手礼

在沥青路面设计中，一般把（）外观状态定为路面的临界状态，此时的回弹弯沉值的低限作为路面设计弯沉值界限的依据

A、第2类

B、第4类

C、第6类

D、第8类

大剂量亚甲蓝治疗（）

A.有机磷中毒

B.铅中毒

C.氰化物中毒

D.亚硝酸盐中毒

E.急性酒精中毒