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【多选题】
“电子签名”具有的特点有（）A.
使用范围内对签名持有人而言独一无二
B.
独立于数据电文保存
C.
签名所有人独掌握的方法制造
D.
对电文完整性提供完整可靠的保证
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举一反三
【简答题】Kun ming is a _______(美丽的,漂亮的) city, we can see flowers everywhere.
【简答题】A．somewhere B．anywhere C．nowhere D．everywhere
【多选题】下列对便携式电子气象仪表述正确的是
A.
电子气象仪是用于检测风向、温度、湿度、气压和风速等气象参数的仪器
B.
能自动地显示在固定的日期和时间内气温及气压的最高和最低值
C.
连接气象仪，打开电源，根据所需要检测的内容进行操作，液晶显示屏将会自动显示出现场检测的数据
D.
不用时取出电池，清理干净存数，每隔 2到3个月时间取出开机
【单选题】在下列几种反应条件的改变中，不能引起反应速率常数变化的是( )。
A.
改变反应体系的温度
B.
改变反应的途径
C.
改变反应物的浓度
D.
改变反应体系所使用的催化剂
【单选题】Property may be _______ to excess everywhere but the policy response to the events of the past decade will -- and should -- vary from country to country.
A.
prone
B.
adoptive
C.
floundering
D.
obsessive
【单选题】Water, water everywhere. It lasted almost two months, but in August it ended. It left 45 people dead and $10 billion worth of damage in nine states of USA. It was quite a big Mississippi flood ever re...
A.
was the heaviest one in the history
B.
happened in Missouri and Illinois states
C.
happened in less than twenty percent of the states of USA
D.
was recorded several times
【单选题】Part A Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1. 'Family' is of course an elastic word. And in differ...
A.
Different families have different ways of life.
B.
Different definitions could be given to the word.
C.
Different nations have different families.
D.
Different times produce different families.
【简答题】A．somewhere B．anywhere C．anytime D．everywhere
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