《电子签名法》主要内容

Read and lick“√”or“×”. (阅读下面的文章，并判断“√”或“×”)    

     Jane is my good friend. She is a nice girl. She likes school very much. Yesterday after school ,

she did her homework. There wasn't any mistakes in her homework.    

     She went to the park with her parents last weekend. There she saw big trees and many flowers.

They climbed mountains and had a picnic. They had a good weekend.    

( )1. Jane is my good friend.    

(     )2.There are many mistakes in Jane's homework.    

(     )3. Jane went to the park with her friends last weekend.    

(     )4. Jane likes animals.    

( )5. Last weekend , Jane went for a picnic with her parents.

在第二次世界大战期间，德国纳粹和日本军国主义者强行用战俘、妇女、儿童和犹太人做医学试验。这一行为正确的伦理判断是（）

A.该研究是为了增进医学对人体的了解

B.该研究是当时战争时期的特殊需要

C.参加试验的医学工作者也是迫于无奈，不得已而为之

D.该行为违背了医学科研的根本目的

E.该行为虽然偏离了医学科研的正确方向，但也为医学研究积累了一定的经验

普大心型的常见病因是 __________ 、 __________ 和 __________ 。

在焊剂的牌号中，第一个字母为( )表示熔炼焊剂。

A．E

B．F

C．SJ

D．HJ

信息资源的获得与开发者无关，其使用价值的实现与使用者有关。