Unit 5 Section A(1a-2d) 同步练习2023-2024学年人教版英语九年级全一册

Unit 5 What are the shirts made of Section A 1a-2d L根据汉语提示，补全单词，完成句子。 1.In China,people use. (筷子)to have meals. 2.His hobby is collecting foreign. (硬币). 3.The windows are made of (玻璃) 4.Spring is coming and the_ (叶，叶子)are becoming greener and greener. 5.Chinese is now (广泛地，普逾地)used around the world. 6.Most of the earth's (表面，表层)is covered by water. Ⅱ单项选择。 1.Our desks and chairs are made wood. A.from B.in C.of D.for 2. is used for making knives in most of China. A.Bamboo B.Steel C.Wood D.Cotton 3.---What is a stamp. ---Sending a letter. A.used for B.made of C.used by D.made for 4.---Do you often clean your classroom? ---Yes.Our classroom. every day. A.clean B.cleans C.is cleaning D.is cleaned 5.The song reminds me of my old school days as soon as it A.is played B.plays C.will be played D.will play Ⅱ根据短文内容，从下列选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。 The invention of barcodes ()is based on a very simple idea.We only need to give each product a specific number and print it.1._ We could simply print the number itself.But this can cause problems.For example,an unclearly printed"seven"could look like a"one"to a computer.It's also true for"three"and"eight"".2. We need a better way of printing numbers so that they can be read correctly at high speeds.That's the problem barcodes solve. Each number in a barcode is shown by seven blocks of the same size.3. For example,the number "one"is shown in tum by two white stripes )two black stripes,two white stripes,and one black stripe.4.. A barcode includes different parts and each one provides a specific meaning.The first part of a barcode tells you the country where the product was made.For example,690-692 is the barcode for China.5. The final part is about the product itself.This is how barcodes work. A.Then computers can read it directly. B.All information can be shown by barcodes. C.The next part tells you who produced the product. D.And"nine"looks similar to six"if you turn it upside down. E.Even if you turn it upside down,it isn't similar