Ⅰ.单词拼写
1.The two countries agreed to work together to strengthen border ________ (安全).
2.There needs to be a partnership between police and public in the fight against ________ (犯罪).
3.Technological innovations, ________ (结合) with good marketing, will promote the sales of these products.
4.We can observe that ________ (人工的) intelligence has already made an impact on our lives in many ways.
5.Once they found that the ________ (克隆) were just as good, companies saved a lot.