id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
bece-89	Zhou, Longjun; Li, Fangmei	A Review of the Largest Online Teaching in China for Elementary and Middle School Students During the COVID-19 Pandemic	2020	19	.pdf	application/pdf	8159	388	51	According to this statistic (teacher’s choice of educational products are multi- ple choices), among these seven types of online teaching platforms, social communica- tion software such as WeChat and QQ, mobile office platforms represented by Dingtalk and National elementary and middle school network platforms, became the first choice for teachers to carry out online teaching. Therefore, in addition to online teaching platforms, the development and inte- gration of online teaching resources had also attracted the attention of researchers.	cache/bece-89.pdf	txt/bece-89.txt