What is the main purpose of this letter？( )

(单选题)What is the main purpose of the passage? ( ) (单选题)What is the California builder’s story intended to prove? ( (单选题)According to Paragraph 3, which of the following encourages (单选题)Why do stores usually display fruits and vegetables in the f (单选题)What is the main idea of the passage? ( ) (单选题)What was Mrs. Smith’s attitude to the author at the end of t (单选题)What do we know about Louis Braille from the passage? ( ) (单选题)The author didn’t finish the reading in class because ( ) (单选题)The example of Asian-American parents implies that parents s (单选题)What is the major finding of Robinson’s study? ( )