1 . Beside scientific missions, the crew also gave two live science lectures from the space station, during ________ they conducted various experiments and answered questions from students watching the class on Earth. (用适当的词填空)

2 . The center was launched in June on Zhenxing Road to help relieve the pressure on many of those running its 435 street stalls, many of__________ are migrant workers from around the country without local relatives to help take care of their children. (用适当的词填空)

3 . Why do young Chinese people prefer naked marriage nowadays? There may be lots of reasons, two of ________ overweigh the others. (用适当的词填空)

4 . The 19th China International Cultural Industries Fair kicked off in Shenzhen in South China’s Guangdong province on June 7, 2023, _______is expected to promote the development of the country’s cultural industry. (用适当的词填空)

5 . Mrs Smith, ________ has much teaching experience, will be joining the school next month.

A．which

B．that

C．who

D．whose

6 . 这位老人有两个儿子,其中一个在纽约工作。(介词+关系代词引导定语从句)
The old man has two sons,______.

7 . Fortunately，she was noticed and brought into the helicopter. Here, she saw her husband, a man staring at her, _____________________________
幸运的是，她被注意到了，并被带上了飞机。在这里，她看到了她的丈夫，注视着自己，满脸安慰。

8 . 十年前的一天，他走进了一家咖啡馆,在那里他第一次遇见了他的妻子。
He entered a café one day 10 years ago, ____________________.

9 . The story centers around the deep friendship between poet Gao Shi and the romantic poet Li Bai offering a brief look into the glorious history of the Tang era, ______is known for its economic prosperity and cultural advancement. (用适当的词填空)

10 . The 150-metre-tall bridge crosses a deep, narrow valley, ________ aim is to bring in thrill-seeking tourists. (用适当的词填空)