1 . In 1985, urban men and women in more than three quarters of the countries ________ (study) had higher BMIs than men and women in rural areas. （所给词的适当形式填空）

2 . In the Ming Dynasty, the center was the Forbidden City, ________ (surround) in concentric (同心的) circles by the Inner City and Outer City. （所给词的适当形式填空）

3 . The first e-Sports event was the one ________ (hold) by Stanford University in the 1970s, for the game Spacewar! （所给词的适当形式填空）

4 . A 2020 study ____________ (conduct) by Common Sense Media found that people spend up to 9 hours a day in front of screens. (所给词的适当形式填空)

5 . (2020年北京卷)A piece of stone__________(find) on a Dutch beach suggests that our extinct human relatives, known as Neanderthals, were cleverer than previously thought. (所给词的适当形式填空)

6 . The Northern Essex Community College (NECC) students and one of their teachers spent part of their spring break in New York City, helping repair an area ________ (destroy) by the hurricane.（所给词的适当形式填空）

7 . Yu told Reuters news agency recently, his 7-month-old pigeon________ (name) “Link Ancestor” placed first in a Chinese Racing Pigeon Association race. (所给词的适当形式填空)

8 . A small bowl ________ (buy) for $35 at a home in Connecticut turned out to be a rare piece of ancient Chinese art. （所给词的适当形式填空）

9 . It was estimated that around 1.2 million tons of artificial snow were produced for the 2022 Beijing Winter Olympics ________ (hold) in February this year.（所给词的适当形式填空）

10 . A research ________ (conduct) by the World Health Organization finds that nearly 50% of teens have fallen into the habit of exposing themselves to unsafe levels of sound so far.（所给词的适当形式填空）