1 . ________________ showed us that an earthquake was coming.
摇晃的建筑物表明地震即将来临。

2 . Two Chinese astronauts headed outside the nation’s Tiangong space station on February 9, 2023 for   ________ seven-hour-long spacewalk, ________ first of the ongoing Shenzhou 15 mission.

A．a; the

B．the; the

C．a; a

D．the; a

3 . In one experiment, Wang Yaping used a Bing Dwen Dwen toy, ______ popular mascot of ________Beijing 2022 Olympic Winter Games, to display how objects fly in weightless environment.

A．a; the

B．the; /

C．a; /

D．the; the

4 . “Our ocean has been driven to breaking point during ________ past few years but it’s a story that doesn’t get told often enough,” says Will Mccallum, head of ocean at Greenpeace UK. (用适当的词填空)

5 . It was worth __________ cost, Alcaraz felt, because she could tell the staff cared about her daughter, greeting the 16-month-old by name each morning. (用适当的词填空)

6 . Over the past year, she has been actively engaged in searching international connections in _________healthcare industry, first for China and later on for her own country. Thanks to the network she built through Tsinghua, she was able to organize donation of personal protective equipment for both China and her own country. (用适当的词填空)

7 . There once were a goat and a donkey…. So the farmer killed ________ goat and gave the donkey medicine made from its heart. (用适当的词填空)

8 . 我们班有四分之一的男生不喜欢英语。
________ ________ ________ ________ ________in our class don’t like English.

9 . 我有一个朋友持完全相反的观点，他认为战争是不道德的。
I have a friend who has ________ and felt that the war was immoral.

10 . He explains that ________disappearance of one animal can have serious consequences to remaining species in that habitat. (用适当的词填空)