unit 4 law and order period one welcome to the unit，reading 同步精练（牛津版选修10）
时间：50分钟
ⅰ.介、副词填空
1．we are facing criminals who realize that they can make money ________little risk
of being caught.
2．they fear that ________doing so, they will lose customers.
3．________now，no one knows what exactly is happening.
4．cybercrime is so new that many governments have not yet passed laws________it.
5．this crime is common in europe，________visas are not required to travel to many
countries.
6．governments and private businesses must work________to provide the tight
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