题目

根据写作要求，短文内容，写出一篇连贯完整的短文。词数不少于60。 When the Bayside campus of Shekou InternationalSchool (SIS) are still kept shut because of the COVID-19 pandemic, teachingactivities at the school have been resumed(继续) online since Feb. 3rd,2020. The school is using popular apps and software for online learning. Video conferencing (视频会议) and office automation are used to help teachers keep track of students' conditions and communicate with their workmates across the world. Teaching online also offers a new experience to the teachers to up如图，四边形ABCD是正方形，BE⊥BF，BE=BF，EF与BC交于点G．（1）求证：AE=CF；（2）若∠ABE=55°，求∠EGC的大小．