2026年智慧课堂自主评价八年级英语下册第57页答案
第二节(共5小题,每小题2分,满分10分)
阅读短文,从方框内所列选项中,选出最佳选项填入对应空白处,使短文通顺、连贯。(选项中有一项多余)
Teeth are important. Strong and healthy teeth help you chew foods that help you grow.
31
And yes, they help you look best. Here is some advice for you to take care of your teeth.
Brush your teeth in a right way.
Brush your teeth at least twice a day—after breakfast and before going to bed.
32
Brush all of your teeth, not just the front ones. Spend time brushing teeth along the sides and back of your mouth. Spend at least three minutes each time on your brush. Play a song you like to help pass the time.
33
When you buy the toothbrush, be sure it has soft bristles.
Learn how to floss your teeth.
Flossing is a very important way to keep your teeth healthy. Food may be hidden between two teeth. Flossing can help get rid of it.
34

35

You need to be careful about what you eat and drink. Eating sugar is a major cause of tooth decay. Eat lots of fruits and vegetables and drink water instead of soda.
A. Have good eating habits.
B. They help you speak clearly.
C. Go to see a dentist every week.
D. If you can, brush your teeth after lunch or after sweet snacks too.
E. Get a new toothbrush every three months.
F. You'll need to floss your teeth at least once a day.
31.
32.
33.

34.
35.

答案

31.B;32.D;33.E;34.F;35.A

解析

31. 前文介绍牙齿的重要作用,包括帮助咀嚼食物,后文提到帮助提升形象,空格处需补充牙齿的另一作用,B选项“它们帮助你清晰说话”符合语境。
32. 前文说明每天至少刷两次牙的时间,D选项“如果可以,午饭后或者吃了甜食后也刷牙”是对刷牙次数和时间的补充,符合逻辑。
33. 后文提到购买牙刷要选软毛款,E选项“每三个月换一次新牙刷”属于牙刷护理的相关建议,衔接自然。
34. 本段主题是使用牙线护牙,F选项“你需要每天至少用一次牙线”是使用牙线的具体建议,贴合段落内容。
35. 后文围绕饮食对牙齿的影响展开,A选项“有良好的饮食习惯”可作为该段主题句,统领下文。