机械振动分为周期和非周期振动。（）
题型：判断题
问题：
机械振动分为周期和非周期振动。（）
题型：判断题
任务性阅读（本题共5小题，每小题1分，共5分）
借鉴别人的学习秘诀， 是学习的捷径之一。请把下面的学习秘诀和例子对上号。请把学习秘诀的编号填入题后的括号里。
Secrets of top students
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.”
小题1:_____________
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.
小题2:_____________
Example Three: One student put a vocabulary list（单词表） 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.
小题3:_____________
Example Four: In high school, Mike played football, painted and was in the band. “I was so busy that I couldn’t waste（浪费） time looking for a pencil or missing paper. I kept everything in order.” He says.
小题4:
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.”
小题5:_____________