1 . Tidal records ____________(沉积在古河口的) also reveal different lengths of days and years in the past. (根据汉语提示完成句子)

2 . 装饰有多彩图案的传统苗族服饰，以其高质量的工艺和独特的设计享誉世界。（recognize）（汉译英）

4 . Most of their musical instruments are really just sticks found on the ground, ________.
他们大多数的乐器其实就是地上捡的棍子，但在这些乐器中，有一种叫“迪吉里杜管”的神奇乐器。

5 . In 1967, the Chinese government formed a team of scientists with the objective of discovering a new treatment for malaria, and Tu Youyou was among the first researchers chosen.
仿写：很多大学毕业生以找到好工作为目的而涌向大城市，Jim很幸运地成为首批被录用地求职者。
____________________________________________

6 . A study ________(conduct) in Youngstown, Ohio, for example, discovered that greener areas of the city experienced less crime(犯罪活动). (所给词的适当形式填空)

7 . 我上周从图书馆借了一本马克·吐温写的书。
I borrowed a book______________________ from the library last week.