一、填空题
1.When he graduated in 2016, he landed a job at an advertising _______(agent) near Shichahai, a popular scenic area in Beijing.
2.Early _______(astronomer) thought that theEarth was the centre of the universe.
3.If you are monitoring a weak radio signal, you needtwo big radio _______(telescope).
4.The students in middle schools should lay a solid _______(found) in English.
5.Their brains _______(scan) so that researcherscould monitor the progress of the disease.
