爱护环境，保护生物多样性要从点滴小事做起。下列有利于保护环境、保护生物多样性表现的有（    ）

①不使用一次性筷子    ②不吃受保护的野生动物   ③不践踏草坪  ④自觉爱护树木

 对下列各组物的叙述中，你认为不正确的是（　　）

Secrets of top students

⒈ Example One: "If I don't understand what my teacher is explaining in the science, I ask him to say it again," says Anna Lee. "also asking more helped a lot."  ____

⒉ Example Two: "When a teacher asks us to do a lot of homework," says Dave Roman " I will draw up a timetable and plan to do it little by little, so it isn't so tiring. "  ____

⒊ Example Three: One student put a vocabulary list on the wall of the bathroom. He learned a new word every day while brushing his teeth. Another student used the time to remember biology terms while practicing running.  ____

⒋ Example Four: In high school, Mike played football, painted and was in the band. "I was so busy that I couldn't waste time looking for a pencil or missing paper. I kept everything in order." He says.  ____

⒌ Example Five: Christi is an excellent student at the university. If her math teacher asks her to do five problems, she does ten. If the history teacher asks her to read five pages, she reads ten. "Part of learning is practicing," she says, "and the more you practice, the more you learn."  ____