高一英语阅读理解Teachers Day is,interestingly,not observed on the sa

高一英语阅读理解
Teachers Day is,interestingly,not observed on the same day all over the world.It is perhaps one of those few days which has a separate international day whose importance is superseded by the nationally observed day.
Taking a look at Teachers Day as it is celebrated across the world,in some countries it is marked by a holiday,in others it is a working day.
China - Teachers Day was set for August 27,Confucius' birthday.In 1951,the celebration was stopped.However,it was founded again in 1985,and the day was changed to September 10.
India - Teachers Day is celebrated on September 5 in honour of Dr Sarvepalli Radhakrishnan,the second president of India,whose birthday falls that day.
Russia - In Russia,Teachers Day was celebrated on the first Sunday of October,between 1965 and 1994.Since 1994,the day is observed on the October 5,coinciding with World Teachers Day.
The US - In the US,Teachers Day is a non-official holiday.It is observed on the Tuesday of the first full week of May.A number of activities are organised in schools to honour teachers.The celebrations can continue for the entire week of May.
Thailand - In Thailand,National Teachers Day is celebrated every year on January 16.The first Teachers Day was held in 1957.The day is declared as a holiday in schools.
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1.observed=?
A.stopped B.celebrated C.held D.fell
2.Which of the following is possibly true?
A.China has celebrated Teachers' day since the year 1931.
B.Teachers' day is an official holiday in the United States.
C.Dr Sarvepali Radhakrishnan's birthday is in September.
D.Teachers' day is a working day in schools of Thailand.
3.From the passage we can learn that______.
A.The first Teachers' Day was held in 1965 in Thailand.
B.Teachers' Day falls on Confucius' birthday in China.
C.International Teachers' Day aims to benefit the students.
D.A lot of activities are held on Teachers' Day across the world