1 . The concept dates back to 1623 when the first ________   (专利) law to protect IP sights was passed. (根据汉语提示单词拼写)

2 . When the wheel got _____(stick) in the mud, he tried his best to push the cart out with his shoulder. (所给词的适当形式填空)

3 . We should develop the students' ability to _____ (分析)and solve problems. (根据汉语提示单词拼写)

4 . The students benefiting most from college are those who are totally engaged(参与) in _______(academy) life. (所给词的适当形式填空)

5 . It is worthwhile ________ (sum) up the experience and characteristics of Macao in faithfully implementing “one country, two systems”. (所给词的适当形式填空)

6 . The People’s Republic of China, _____(found) in1949, plans to extend its high-speed railway network, already the world's biggest, by adding 2,000 km of new lines in 2020. (所给词的适当形式填空)

7 . We should find out that the US government’s attempt to use tariffs (关税) as a tool _____ (extract) negotiating favors. (所给词的适当形式填空)

8 . You were right to do what you did under the ________ (circumstance). (所给词的适当形式填空)

9 . It is necessary for every one of us to have an ________(客观的) attitude towards life.(根据汉语提示单词拼写)

10 . Data are analyzed, and results are ___________(评估) and shared with other investigators. (根据汉语提示单词拼写)