If a teacher finds his students’ ideas different from his own, he must criticize them and lead them to his own way of thinking.

What does the professor mean when he says this: A: He is certain the students know the meaning of the word. B: He wants to make sure that students have understood his explanation. C: He is worried his students have not covered all the material so far. D: He wants to check whether his students have studied the material so far.

“Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”

【单选题】He prefers______. (1998) A. to write his letters rather than dictating then B. to write his letters rather than dictate them C. writing his letters rather than dictate them D. writing his letters rather than have dictated them

Why did the professor study the Brazilian students’ behavior（） A: He felt puzzled at the students’ being late. B: He felt angry at the students’ rudeness. C: He wanted to make the students come on time later. D: He wanted to collect data for one of his studies.