Unit 5 Set a Password 第2课时 Close Reading (同步练)-2026-2027学年教科版英语三年级上册

Unit 5 Set a Password 第2课时 Close Reading（分层作业）小学英语教科版三年级上册（新教材） 班级：____________　　姓名：____________ 基础练 一、用方框中的单词补全短文，每词限用一次。 words　letters　numbers　Put　Keep　try　remember　secret How do we set a password? Step 1: Choose two (1)______. Step 2: Choose two (2)______ from each word. Step 3: Choose two (3)______. Step 4: (4)______ them together. (5)______ it to yourself! You (6)______ it! A strong password is not easy to (7)______. We must keep the password (8)______. 二、英汉互译。 1. set a password ______　　2. a strong password ______ 3. keep the password secret ______　　4. easy to remember ______ 5. 从每个单词中选两个字母 ______ 6. 把它们合在一起 ______ 7. 选两个数字 ______　　8. 你来试试！ ______ 三、根据首字母提示，写出单词，使句子完整。 1. Please c______ two words. 2. C______ two letters from each word. 3. Put them t______. 4. Keep it to y______! 5. This is a s______ password. 6. It's easy to r______. 7. The p______ is 5-6-7-8. 8. Don't tell others. Keep it s______. 提升练 四、单项选择，把字母编号写在括号内。 1. (　) How do we ______ a password?　A. set　B. say　C. put 2. (　) ______ two words first.　A. Choose　B. Put　C. Keep 3. (　) Choose two letters ______ each word.　A. from　B. to　C. of 4. (　) Put ______ together.　A. they　B. them　C. their 5. (　) Keep it to ______.　A. you　B. your　C. yourself 6. (　) A strong password is easy to ______.　A. remember　B. guess　C. forget 7. (　) ______ is the Wi-Fi password?　A. What　B. How　C. Where 8. (　) This password is easy ______ remember.　A. for　B. to　C. at 五、根据课文内容，判断下列句子正误，正确的写“T”，错误的写“F”。 1. (　) Step 1 is “Choose two words.” 2. (　) Step 2 is “Choose two numbers from each word.” 3. (　) Step 3 is “Choose two letters.” 4. (　) Step 4 is “Put them together.” 5. (　) We should keep the password to ourselves. 6. (　) The passage tells us how to set a password. 7. (　) A strong password should be easy to remember. 8. (　) We can tell everyone our password. 六、连词成句，注意大小写和标点。 1. do / we / how / a / set / password / ? ________________________________________________ 2. two / choose / words / . ________________________________________________ 3. letters / two / choose / each / from / word / . ________________________________________________ 4. two / numbers / choose / . ________________________________________________ 5. them / put / together / . ________________________________________________ 6. it / keep / yourself / to / ! ________________________________________________ 拓展练 七、阅读短文，完成任务。 Sam is a clever boy. He wants to set a password for his new computer. First, he chooses two words: “cat” and “book”. Next, he chooses two letters from each word: “c”, “t” from “cat”, and “b”, “o” from “book”. Then he chooses two numbers: 6 and 9. At last, he puts them together: c-t-b-o-6-9. Sam says, “This is a strong password. It's not easy to guess. I keep it secret!” 任务一：判断下列句子正误，正确的写“T”，错误的写“F”。 1. (　) Sam wants to set a password for his computer. 2. (　) Sam chooses three words. 3. (　) Sam chooses the letters c, t, b and o. 4. (　) Sam chooses the numbers 6 and 9. 5. (　) Sam tells his password to his friends. 任务二：选择最佳答案，把字母编号写在括号内。 6. (　) What is Sam's password?　A. c-t-b-o-6-9　B. c-t-b-o-9-6　C. b-o-c-t-6-9 7. (　) How many steps does Sam follow?　A. Two.　B. Three.　C. Four. 8. (　) Is Sam's password strong?　A. Yes, it is.　B. No, it isn't.　C. We don't know. 参考答案与解析 基础练 一、用方框中的单词补全短文，每词限用一次。 答案：1. words　2. letters　3. numbers　4. Put　5. Keep　6. try　7. remember　8. secret 解析：短文是设置密码的四个步骤：选两个单词→从每个单词中选两个字母→选两个数字→把它们合在一起，最后提醒要保管好密码。Step 4 与 Keep 位于句首，首字母要大写。 二、英汉互译。 答案：1. 设置密码　2. 一个安全性高的密码　3. 密码保密　4. 容易记　5. choose two letters from each word　6. put them together　7. choose two numbers　8. You try it! 解析：注意 from（从……）、together（一起）的用法。 三、根据首字母提示，写出单词，使句子完整。 答案：1. choose　2. Choose　3. together　4. yourself　5. strong　6. remember　7. password　8. secret 解析：第 2 小题位于句首，首字母要大写；yourself（你自己）常用于 keep...to yourself 结构。 提升练 四、单项选择，把字母编号写在括号内。 答案：1. A　2. A　3. A　4. B　5. C　6. A　7. A　8. B 解析：1. 设置密码用 set。2. 第一步是“选两个单词”，用 Choose。3. from 意为“从……中”。4. 动词后用人称代词宾格 them。5. keep...to yourself 意为“自己保管好”。6. 安全性高的密码应该容易记住。7. 询问“是什么”用 What。8. 固定结构 be easy to do sth.。 五、根据课文内容，判断下列句子正误，正确的写“T”，错误的写“F”。 答案：1. T　2. F　3. F　4. T　5. T　6. T　7. T　8. F 解析：2. 步骤二应为 Choose two letters from each word.。3. 步骤三应为 Choose two numbers.。8. 密码要保密，不能告诉别人。 六、连词成句，注意大小写和标点。 答案：1. How do we set a password?　2. Choose two words.　3. Choose two letters from each word.　4. Choose two numbers.　5. Put them together.　6. Keep it to yourself! 解析：祈使句以动词原形开头，首字母大写；感叹句句末用感叹号。 拓展练 七、阅读短文，完成任务。 答案：1. T　2. F　3. T　4. T　5. F　6. A　7. C　8. A 解析：1. 他想为新电脑设置密码。2. 他选了 cat 和 book 两个单词，不是三个。3. 他从 cat 取 c、t，从 book 取 b、o。4. 他选的数字是 6 和 9。5. 文中 I keep it secret!，他没有告诉朋友。6. 密码是 c-t-b-o-6-9。7. 文中用了 First、Next、Then、At last 四个步骤。8. 文中 This is a strong password.。 第 3 页 学科网（北京）股份有限公司 $