题干

为比较相同浓度的FeCl3溶液和CuSO4溶液对H2O2分解的速率影响效果,某研究小组进行了如下探究:

【定性研究】
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    Teachers' Day around the world is not celebrated on the same day. In some countries, Teachers' Day is celebrated on working days. However, in other countries, it is celebrated on holidays.

    Here we are giving you a list of countries that celebrate Teachers' Day on holidays.

China

    The Teachers' Day was proposed(提议) at National Central University in 1931. It was adopted(被采纳) by the central government of Republic of China in 1932. In 1939, the day was set on August 27th, Confucius's birthday. People's Republic of China government called it off in 1951. It was reestablished in 1985, and the day was changed to September 10th. Now more and more people are trying to celebrate the Teachers' Day back to Confucius's birthday.

India

    In India, Teachers' Day is celebrated on September 5th, in honor of Dr Sarvepalli Radhakrishnan, the second President of India. Because his birthday was September 5th. At schools on this day, students in India celebrate this day to show their respect and love to their teachers.

Russia

    In Russia Teachers' Day is on October 5th. Before 1994, this day was set on the first Sunday of September.

USA

    In the United States, Teachers' Day is a holiday on the Tuesday of the first full week of May.

Thailand

    January 16th was adopted as Teachers' Day in the Thailand by a resolution(决议) of the government on November 21, 1956. The first Teachers' Day was held in 1957.

Iran

    In Iran, Teachers' Day is celebrated on May 2nd every year. It is in honor of the famous Iranian professor Ayatollah Morteza Motahhari who died on May 2, 1980.

    Although different countries celebrate Teachers' Day on different days, the activities people take to celebrate it just stay the same.