TOEFL is an English proficiency test held by ETS. Its full name is "English proficiency test for non-native English speakers", which is transliterated into "TOEFL" in Chinese.

There are three kinds of TOEFL: PBT PA ­ Per based test 677, CBT com ­ Puter based test 300, iBT in ­ ter ­ Net based test 120, the full score of the new TOEFL is 120. The TOEFL test is valid for two years from the date of the test. For example, I took the examination on January 18, 2003. The validity of the examination results is from January 18, 2003 to January 18, 2005. The main data for TOEFL review is the TOEFL machine Sutra, also known as the folk TOEFL answer bank.

Sat is sponsored by the American College Council (Col ­ The result of an exam sponsored by the level board is an important reference for high school students all over the world to apply for American university admission qualifications and scholarships. It is similar to act (Amer) ­ i ­ can Col ­ Both are called the American college entrance examination.