心电图不能了解（） A.心功能 B.房室肥大 C.心肌梗死 D.心律失常 E.电解质

根据句意及首字母或汉语提示，写出各句中所缺单词的正确形式。（每空一词，共10分）

76．Tom hurt Mary so deeply that she would never f        him.

77．She has been taking exercise to lose w          and stay slim.

78．Everyone knows smoking is h          to their health and they try to give it up.

79．A v        earthquake hit Yushu and caused more than 1,000 deaths.

80．Whoever isn’t c     with what he has always feels disappointed.

81．Mary spent her            （童年）in the countryside.

82．If the goes on working hard, he is       （可能） to succeed.

83．It is large organization with offices      （遍及）the world.

84．Sicuak         （风俗）differ greatly from country to country.

85．Most information comes from the direct     （观察）of the stars in outer space.

活期储蓄存款在计息期间遇利率调整不分段计息。

对以下程序段的描述，正确的是( )。
x= -1；
do
x=x*x；
while(!x)；

A．是死循环

B．循环执行两次

C．循环执行一次

D．有语法错误

票据是指票据出票人依据《票据法》的规定签发的，约定由自己或自己委托的人无条件支付一定数额的金钱为内容的有价证券，有（）

A、本票

B、汇票

C、存单

D、支票

什么叫粘度？我国采用的是哪几种粘度？