1     (base) on recent researches, distance learning is slowly proving as     2    (value) as the traditional campus-based form. It is a fixed truth that this form of learning is    3    the increase. Moreover, both students and teachers have expressed their     4    (happy) with these courses. The best part of distance learning courses is their flexible format. Students can continue     5    (work) and study at the same time without any kind of difficulty. You will    6    (provide) with the facilities of a virtual classroom and a virtual campus. Anyone     7    wants to upgrade their professional knowledge to a new level can apply for these courses. With an online study format，the tests and notes can be accessible with just a mouse click from your home computer. However, a student     8    (attend) an online course must take the time management seriously. Every online student must keep in mind that    9    (properly) management of time and study schedule is     10    key towards success in this format.

China     1     (launch) a national cloud learning platform since Feb.3 and started broadcasting primary school classes     2     (ensure) the country’s 180 million students can still keep learning even though schools are closed, according to state-run news agency Xinhua. A new school semester,     3    (schedule) to start today, has been postponed indefinitely (无限期地) as part of     4     (measure) to fight the coronavirus. China authorities have encouraged people to stay at home to help reduce     5     (it) spread.

The approach differs by age. Primary school classes are being broadcast on one of China’s state TV channels. Junior and senior high school students in China can use an online learning platform     6     there are 169 lessons covering 12 subjects for the first week, based on the national curriculum. Teachers will keep     7     (update) the platform with new materials as needed.

The government has enlisted the China’s three     8     (big) telecoms operators—China Mobile, China Unicom and China Telecom—plus tech companies like Huawei, Baidu and Alibaba to back up the platform with 90 terabytes of bandwidth and 7,000 servers,     9     (make) sure up to 50 million students can use it simultaneously(同时地), according to state broadcaster CCTV News. About 600,000 teachers have also been using a livestreaming service called Dingtalk, built by Alibaba, to conduct online classes, the company said, although it has     10     (obvious) not gone down so well with many students.

Many schools started online courses for students to study. at home on account of the spread of COVID-19.    1    , the outcome turned out to be not satisfying, because the online education required teachers to carry out live stream courses using mobile phone software and properly interact with students, which proved    2    challenge for many teachers.

Some teachers discovered they left the microphones off before finishing the online courses, and others were frequently interrupted by    3    (they) young children's shouting or crying. Sometimes they had to repeatedly reconnect to the platform due    4    poor Internet connection,    5    annoyed both the students and the teachers. Some schools offered online courses for each subject including sports. Teachers found it awkward    6    (give) instructions online because many children did not have enough space to move. Some parents complained that they had to join several different chat groups of different    7    (subject) . They also hated to accompany their children taking online courses just to make sure their children were    8    (full) concentrated instead of    9    (play) video games.

Schools should not put any unnecessary academic burden on primary and secondary students through online classes, the Ministry of Education said on Wednesday. It was recommended that online courses    10    (link) to infection prevention and psychological health guidance.