题目内容
Teeth are important. Strong , healthy teeth help you chew(咀嚼) foods that help you grow. They help you speak clearly. And yes , they help you look best. Here are some tips for you to take care of your teeth:
1. Brush your teeth the right way.
Brush your teeth at least twice a day – after breakfast and before bedtime. If you can, brush after lunch or after sweet snacks, too. 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 you brush. Play a song you like to help pass the time. Get a new toothbrush every three months. When you buy toothbrush, be sure it has soft bristles(鬃毛).[来源:
2. Learn how to floss(用牙线清洁牙齿) your teeth.
Flossing is a very important way to keep your teeth healthy. Food may hide between two teeth. Flossing can help get rid of it. You’ll need to floss your teeth at least once a day.
3. Have good eating habits.
You need to be careful about what you eat and drink. Eating sugar is a major cause of tooth decay(蛀牙).Eat lots of fruits and vegetables and drink water instead of soda(苏打).
1.How many times at least should we brush our teeth a day?______
A. 1 B. 2 C. 3
2.What is the major cause of tooth decay? ______
A. Not brushing teeth
B. Not changing toothbrush
C. Eating sugar
3.How often should we change our toothbrushes? ______
A. never
B. three times a month
C. every three months
4.The bristles of the toothbrush must be______
A. hard B. soft C. expensive
5.Which is the right way to take care of teeth? ______
A. Only brush front teeth.
B. Not brush teeth before sleeping.
C. Eat lots of fruits and vegetables and drink water instead of soda.
1.B
2.C
3.C
4.B
5.C
【解析】
试题健康结实的牙齿对我们来说是非常重要的。健康的牙齿能帮助我们咀嚼帮助成长的食物；它们能让我们说话时口齿清晰；并且，它们让我们拥有姣好的容貌。既然牙齿有这么多的好处，那么怎样保护我们的牙齿呢？作者在文中就此提出了几条建议。
1.1】B细节理解题。根据短文中的句子“Brush your teeth at le...
全能练考卷系列答案
一课一练课时达标系列答案-- Hi, Tony! _________ you __________ to the newly-opened shopping mall, Tangdao 637 lately?
-- Yes. I went there with my parents last week.
A. Did; go
B. Have: been
C. Have; gone
D. Do: go
B
【解析】
句意：-嗨，Tony，你最近去过那个新开的购物商场Tangdao637吗？-是的，我上周和我的父母一起去的。Did…go是一般过去时态，一般疑问句形式；Have …been去过某地，已经回来了；Have …gone去了某地，还没有回来；Do …go是一般现在时态的疑问句形式。根据句意和句中的lately可知，这句话应用现在完成时态，且这里表示去了那个商场又回来了，故应选B... The film Coco is big success that many people go to the cinema to watch it．
A. such B. such a C. so D. so a
B
【解析】
句意：《可可》是那么成功的一部电影，以致于许多人去电影院观看。考查形容词、副词辨析。由题干可知本题考查such…that…和so…that…区别。such…that…和so…that…都表示“如此…以至于…”，区别在于such是形容词，修饰名词，意思是如此这样的；so是副词，修饰形容词、副词，意思是如此这样的；本句的中心词是名词success，单数形式，所以要用such ... The Yellow River is _______river in China.
A. second river B. second longest C. the second longest
C
【解析】
句意：黄河是中国的第二长河。second river第二条河；second longest第二最长；the second longest第二最长。根据句意可知，这里使用的是序数词+形容词最高级，表示“第几最…”，序数词前要用定冠词the，故应选C。 Lucy is________than Lily.
A. fun B. more funnier C. much funnier
C
【解析】
句意：Lucy比Lily更有趣。fun趣味，娱乐，是一个名词；more funnier形式错误，funny的比较级是funnier，不能再用more；much funnier有趣得多，much修饰形容词的比较级。根据句意和句中的than可知应选C。 Things are______ on the moon than on the earth.
A. much heavier B. the heaviest C. much lighter
C
【解析】
句意：句意：东西在月球上比在地球上轻得多。Light是轻的意思，heavy是重的意思。much可以修饰比较级，much lighter表示更轻。结合语境可知选C。 （题文）Jim, would you mind not _______ your bike here.
A. put B. puting C. putting
C
【解析】
句意：吉姆，你介意不要把你的自行车放在这儿吗？固定句型would you mind not doing sth.表示你介意不要做某事吗？根据题意，故选C。 Now, more and more young people are becoming too proud (骄傲) and confident. They think they can do ______. And I used to be one of them, but I changed my mind greatly ______ my father told me a story.
Once, there was a young man. He looked down on the old. He always thought that the old were _____ because their lives were becoming worse and worse. He also did this to his father. One day, the son took a ______ with his father together. As they walked, the son pointed to one of the ______ flowers and said, “We young people are like this nice flower, so healthy, and full of spirit. What about the old? Just like the falling ______ from a dying tree.” After hearing this, the father smiled ______ said nothing. They continued walking quietly. When they ______ a flower shop, the father stopped and went in, he bought a walnut (胡桃木) and showed it to his ______, and then he said, “We old are like this walnut. We have experienced many hard things in life.
From then on, I always keep this story in my ______.
We have to know that our parents aren’t useless lives or falling leaves but are experienced walnuts.
1.A. nothing B. something C. everything D. anything
2.A. after B. before C. while D. until
3.A. boring B. useless C. dangerous D. tiring
4.A. flower B. stick C. dog D. walk
5.A. biggest B. ugliest C. prettiest D. smallest
6.A. leaves B. flowers C. fruits D. trees
7.A. so B. but C. and D. or
8.A. sold B. bought C. passed D. sent
9.A. son B. father C. mother D. grandpa
10.A. school B. mind C. desk D. bag
1.C
2.A
3.D
4.D
5.C
6.A
7.C
8.C
9.A
10.B
【解析】
短文大意：短文记叙了父亲讲给“我”的一个故事：一个年轻人嫌老父亲无用，自比花朵而借落叶讽刺父亲；父亲在一家花店买了一个核桃给儿子看，告诉他老人就像核桃在生活中经历了许多艰难的事情。“我”听后深受启发，父母不是无用的生命或落叶，而是有经验的核桃... The Chinese Skyeye and High-speed Train interest people a lot because of them are leading the world in science and technology.
A. both B. each C. either D. neither
A
【解析】
句意：中国的天眼和高速列车使人们非常感兴趣，因为它们都在科技领域领先世界。A. both两者都；B. each每一个；C. either（两者之中）任何一个；D. neither两者都不。both, either, neither都是表示两者的代词。只有先进的科学技术才能令人感兴趣，首先排除D答案，再根据助动词are判断，只有both符合题意，故答案为A