问答题

网络是人们获取信息必不可少的工具 2.但是，在网络上也出现了一些不和谐的因素，如垃圾信息、黄色网站、虚假新闻、网络炒作等 3.如何采取措施制止和消除这些现象

【参考答案】

Protect Our Internet The advent of the Internet us......

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单项选择题
We learn from the passage that animal clones am likely to have______.
A．an abnormal shape
B．a bad temper
C．defective organs
D．immune deficiency
单项选择题
By cloning Missy, Mark Westhusin hopes to______.
A．examine the reproductive system of the dog species
B．find out the differences between Missy and its clones
C．search for ways to modify its temperament
D．study the possibility of cloning humans
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