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3. 请用英文数字填空。
(1) three+sixteen=
(2) forty-ten=
(3) thirteen-eight=
(4) twenty-five÷
(5) twenty—
(6) one×two=
(7) fifteen÷five=
(8) four+nine=
(1) three+sixteen=
nineteen
(2) forty-ten=
thirty
(3) thirteen-eight=
five
(4) twenty-five÷
five
=five(5) twenty—
four
=sixteen(6) one×two=
two
(7) fifteen÷five=
three
(8) four+nine=
thirteen
答案
(1) nineteen
(2) thirty
(3) five
(4) five
(5) four
(6) two
(7) three
(8) thirteen
(2) thirty
(3) five
(4) five
(5) four
(6) two
(7) three
(8) thirteen
4. 和同学一起设计场景并进行角色扮演。
示例
场景：At the restaurant
角色：Waiter/waitress and customer
对话核心句型示例：
Waiter/Waitress: What would you like to eat?
Customer: I'd like some rice and chicken, please. How much is it?
Waiter/Waitress: It's 20 yuan.
示例
场景：At the restaurant
角色：Waiter/waitress and customer
对话核心句型示例：
Waiter/Waitress: What would you like to eat?
Customer: I'd like some rice and chicken, please. How much is it?
Waiter/Waitress: It's 20 yuan.
答案
参考设计如下：
场景：At the stationery shop（在文具店）
角色：Shop assistant（店员）和 Student（学生）
对话核心句型：
Shop assistant: Can I help you?
Student: I'd like a new pencil, please. How much is it?
Shop assistant: It's 2 yuan.
场景：At the stationery shop（在文具店）
角色：Shop assistant（店员）和 Student（学生）
对话核心句型：
Shop assistant: Can I help you?
Student: I'd like a new pencil, please. How much is it?
Shop assistant: It's 2 yuan.
解析
本题为英语情景交际实践类题目，可以选择小学生熟悉的日常场景，搭配简单易懂、符合三年级所学词汇的核心句型来设计角色扮演内容，贴合日常交流逻辑即可。
