举出三个在日常生活当中易损坏牙齿的坏习惯()()()
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Who is Katie Rowley？ 查看材料
A. She"s a senior professor.
B. She"s a senior student.
C. She"s a senior official.
D. She"s a senior citizen.
进口货物的纳税义务人应当自运输工具申报进境之日起14日内，出口货物的纳税义务人除海关特准的外，应当在货物运抵海关监管区后、装货的24小时以前，向货物的进出境地海关申报。判断对错
从牙齿的外观上看，牙齿有三部分组成_______。
It will help you to understand the article if you____________
A. find the topic sentences
B. find out the new words
C. keep reading fast
D. go to bed every day
E. keep a note of their reading speed
F. look at your watch every few minutes
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