函数中未指定存储类型的局部变量，其隐含的存储类型是______。

（1）无水乙酸又称冰醋酸（熔点16．6℃）。在室温较低时，无水乙酸就会凝结成像冰一样的晶体。请简单说明在实验中若遇到这种情况时，你将如何从试剂瓶中取出无水乙酸？

_________________________________

（2）某有机物的结构简式为HOOC-CH=CHOH。

①请你写出该有机物官能团的名称：____________、__________、___________。

②验证该有机物中含有-COOH官能团常采用的方法是______________________，产生的现象为______________________

阅读理解

     Lisa, a middle-aged woman, went to prepare lunch, leaving her 3-year-old son, Barney, playing by himself in the backyard.

     All of a sudden, a sharp cry of Barney came into the mother's ears, and Lisa rushed into the backyard

and found a big snake entwining(纠缠) the little child with its body and trying to swallow the boy. Lisa was terrified and quite angry. She made up her mind to save her son from the snake's mouth.

     It was a fearless mother's love that made Lisa forget what she faced. She took up an old hatchet (斧头)from the ground and struck the snake with all her strength.

     One...two... With the hatchet, Lisa hit the snake again and again, but she felt as if she were striking a

mass of solid rubber. The little boy's voice and breath were getting weaker and weaker. Lisa's heart was

broken and she nearly went mad.

     Suddenly Lisa put aside the hatchet and threw herself on to the snake, opened her mouth and bit into its back, as if tearing a tough steak(牛排). Lisa was really mad.

     A small piece of flesh was bitten off. Lisa picked up the hatchet again and hit at the wound in the

snake's back madly and savagely.

     Stinking blood was spraying out of the snake's body. The snake was so badly wounded that it let go of Barney and moved back into the forest. It had never imagined that human beings had such terrible, sharp

teeth. Halfway home, the snake died.

1.What did Lisa find when she came into the backyard?

A. A big snake was swallowing her son.    

B. Her son was playing with a poisonous snake.

C. Her son was in danger of losing his life.  

D. Barney was fighting a big snake.

2.Why did Lisa fail in killing the snake at first?

A. Because she was afraid that what she did would hurt her son.

B. Because the hatchet was not sharp enough and the snake's skin was too hard.

C. Because the snake was even stronger than Lisa.

D. Because she was too astonished to do anything

3. ________, so she bit the snake.

A. Lisa was really driven mad

B. Lisa thought her teeth were much sharper than the hatchet

C. Lisa couldn't refuse the temptation of the snake's meat

D. Lisa had not got any other way to deal with the snake

4.From the story, we learned that it was a mother's love that made___________ .

A. Barney brave  

B .the snake frightened  

C. Lisa mad and angry

D. the woman fearless

氧气瓶直接受热爆炸属于（）。

A、爆轰

B、物理性爆炸

C、化学性爆炸

干阑式

甲股份有限公司于20×8年2月1日向乙公司发行以自身普通股为标的的看跌期权。根据该期权合同，如果乙公司行权(行权价为98元)，乙公司有权于20×9年1月31日以每股98元的价格从甲公司购入普通股1000股。
其他有关资料如下：
(1)合同签定日 20×8年2月1日
(2)20×8年2月1日每股市价 100元
(3)20×8年12月31 每股市价95元
(4)20×9年1月31 每股市价 97元
(5)20×9年1月31 应支付的固定行权价格 98元
(6)20×8年2月1日期权的公允价值 4000元
(7)20×8年12月31 期权的公允价值3000元
(8)20×9年1月31 期权的公允价值 1000元
(9)结算方式：乙公司行权时以现金换取甲公司的普通股
要求：根据上述资料，不考虑其他因素，回答下列第16至18题。

20×8年2月1日，甲公司向乙公司发行看跌期权时，收取的价款应计入( )。

A．衍生工具——看跌期权

B．资本公积——股本溢价

C．股本

D．应付债券