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【单选题】
听力原文:Email captures the essence of life at the close of the 20th century with an authority that few other products of digital technology can claim. Email, ultimately, is a fragile thing, easy to forge, easy to corrupt, easy to destroy. A few weeks ago, a co-worker of mine accidentally and irretrievably wiped out 1,500 of his own saved messages. For a person who conducts most of his life online, such a digital tragedy is akin to erasing part of his own memory. Suddenly, nothing is left. He has lost himself as well as his links with others. Which of the following is true, according to the passage?
A.
Email shows more authority than other products of digital technology.
B.
Email is as fragile a thing as it is convenient to its users.
C.
Email can keep as many as 1,500 saved messages.
D.
Email may help strengthen your own memory.
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举一反三
【简答题】请翻译以下两句: 1. In recent years, there has been a sharp growth in the number of tour operators who offer tours led by expert guides, and such holidays are often enhanced by special access to private colle...
【判断题】依据观赏部位对花卉进行分类可分为观花、观果、观叶和芳香四类。
A.
正确
B.
错误
【单选题】精密齿轮高频淬火后需磨削齿面和内孔,以提高齿面和内孔的位置精度,常采 用以下原则来保证 ()。
A.
基准重合
B.
互为基准
C.
自为基准
【简答题】完形填空。 Chinese tennis is entering a golden time. In recent years there has been an explosion of 1 female tennis players bursting onto the global scene. And this couldn't have come at a 2 time with the ...
【单选题】In recent years, there have been over 30 foreign companies __________ business in this city.
A.
doing
B.
do
C.
to do
D.
done
【简答题】依据观赏部位对花卉进行分类可分为 、 、 、 、 五类。
【单选题】Short stories are due a revival. In recent years, there have been critically【C1】______collections by American writers such as Lydia Davis and Junot Diaz. But few others manage to【C2】______the bestsell...
A.
reclaimed
B.
acclaimed
C.
proclaimed
D.
claimed
【单选题】选出正确答案 1. In recent years, there have been over 70 foreign companies ________ business in this city
A.
doing
B.
do
C.
to do
D.
done
【多选题】在综合布线系统中,管理间子系统包括
A.
楼层配线间
B.
二级交接间
C.
建筑物设备间的线缆配线架
D.
相关接插跳线
【简答题】精密齿轮高频淬火后需磨削齿面和内孔,以提高齿面和内孔的位置精度,常采用以下原则来保证____
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