1.
(2022高二下·和平期末)
Inspired by dolphins, people have learnt how to send signals underwater, ______ is currently employed in tsunami early-warning systems.
3.
(2022高二下·茂名期中)
The Jiuquan Satellite Launch Center, ______the Gaofen 3C radar satellite was launched on April 7, 2022, lies in northwestern China's Gobi Desert.
A . from whichB . of whichC . to whichD . on which
4.
(2022高二下·茂名期中)
The women's soccer team has lifted the AFC Women's Asian Cup for the ninth time in 16 years, ______ is on account of its relentless fighting spirit.
27.
The specialist expressed his hope he would visit China again the next year, and that was the very hope he expressed as soon as he arrived in the country.