The Detective’s Toolkit: Essential Vocabulary and Scene Identification

任务情报 | Mission Brief

The Grand Gallery Robbery 🕵️‍♂️

A priceless sculpture is missing! Detective Brad is on the scene, but he needs your help to identify the clues and organize the witness statements.

大画廊被盗了！一件无价的雕塑不翼而飞。布拉德侦探已经到达现场，但他需要你的帮助来识别线索并整理目击者的陈述。准备好你的侦探工具箱了吗？

侦探工具箱 | Investigative Verbs

掌握这些核心动作，展开你的调查：

Investigate

the crime scene 🔍

Interview

the witnesses 🗣️

Collect

the evidence 💼

Seal off

the area 🚧

避坑雷达 | Grammar Radar

Speaker + said (that) + Subject + Past Tense Verb

🚨 高频易错点 Warning!

Brad said, "The window is broken."

这是直接引语 (Direct speech)，带有引号。

✓

Brad said that the window was broken.

这是间接引语 (Reported speech)，时态需要退一步 (is -> was)。

通行证 | Can-Do Goals

学完本课，你能做到：

识别犯罪现场的物品

Identify at least 5 items found at a crime scene.

区分目击者与嫌疑人

Distinguish between a witness and a suspect.

使用正确的过去时态转述话语

Report what someone said using the correct past tense.

🔬

Culture Bit: Modern Forensics

在现代侦探工作中，法医学 (Forensics) 是一个主要领域。在许多西方国家，警察使用高科技工具，如 DNA 测试和数位指纹识别 (digital fingerprinting)，来解决 50 年前根本无法破解的谜团！

Detective Wong’s Case

Context: There was a crime at the school and Detective Wong is on the case. Once Detective Wong finds out who all these things belong to, he will have a suspect to go after.
背景：学校发生了一起犯罪事件，黄侦探正在调查。一旦黄侦探查出这些东西属于谁，他就会有一个嫌疑人可以追查。请根据上下文完成下方的填空题。

填空 1. First, he asks the (a teacher and two students) what they saw.

填空 2. He sees a under the window.

填空 3. Look at the size of these . The thief must have really large feet!

填空 4. He spots something red on one of the chairs. It is a .

填空 5. He takes out his to take a better look at it.

填空 6. Under the chair are a few on the floor. 'I wonder whose head these came from,' he says.

填空 7. He puts them into the and seals it shut.

填空 8. Once Detective Wong finds out who all these things belong to, he will have a to go after.

填空 9. There was a crime here. I should the crime scene.

填空 10. Did you see suspicious? (anyone / someone)

Case Files: The Stolen Sculpture & The Setting Sun

Part 1: The Case of the Stolen Sculpture

The police arrived at the gallery at 9:00 PM. They found that the rare sculpture was missing from its pedestal. There were shards of glass on the outside of the building, below the window.

The security guard, who was on duty that night, claimed he heard a loud crash at 8:30 PM but saw no one. Detective Brad arrived shortly after the police and noticed something different about the scene.

Part 2: Detective Smith's Investigation

Detective Smith stepped into the sitting room of a suspect, Daniel Wu, and closed the door behind him. The sun was setting, casting long shadows. He looked at his watch; it was 6:00 PM. "The thief is still there!" he whispered.

展开/折叠全文翻译

第一部分：被盗雕塑案
警察在晚上 9:00 到达画廊。他们发现珍贵的雕塑从基座上不见了。在建筑物外面，窗户下方有玻璃碎片。
当晚值班的保安声称他在晚上 8:30 听到了一声巨响，但没有看到任何人。布拉德侦探在警察之后不久到达，并注意到了现场一些不同的地方。

第二部分：史密斯侦探的调查
史密斯侦探走进嫌疑人吴丹尼尔的客厅，关上了身后的门。太阳正在落山，投下长长的影子。他看了看手表；现在是下午 6:00。「小偷还在那里！」他低声说。

单选 1. When was the sculpture stolen?

单选 2. What clues did the police find outside the gallery?

判断 3. Detective Brad arrived at the gallery before the police.

问答 4. Why was the security guard a possible witness?

Hint: Because he was on duty and...

单选 5. Detective Smith visited Daniel Wu’s house _______

Step 1: Sentence Construction

Rearrange the words to form a correct reported speech sentence:
连词成句：请将下方的单词重新排列组合成正确的间接引语句子。

said

The

witness

the

that

glass

was

broken

Step 2: Guided Story

完成侦探的报告，请根据提示填写正确的单词或时态形式。

Detective Wong arrived at the (1) . He found several (2) . He interviewed a (3) who said she (4) a man running away. He collected a (5) and put it in an (6) . He also saw muddy (7) on the floor. Now he has a (8) to go after. He will continue to (9) until he finds the (10) .

High-Scoring Sample / 参考答案

Detective Wong arrived at the crime scene. He found several clues. He interviewed a witness who said she saw a man running away. He collected a strand of hair and put it in an evidence bag. He also saw muddy footprints on the floor. Now he has a suspect to go after. He will continue to investigate until he finds the truth.

Step 3: Look and Write (Whose Table)

看图写话：观察下方找到的物品及其主人。使用 'whose' 和其他合适的词完成句子。

Task: Write sentences about the items using 'whose'.

Example: I know whose red hat this is. It is Tom's.
1. Write about the Blue Pen (Picture 2).
2. Write about the Large Shoe (Picture 3).
3. Imagine one more item for Picture 4 and write a sentence about it.

0 words

Step 4: Theme Writing

Task: Imagine you are a detective. Write a short report (at least 60 words) about a crime scene you just discovered.

Requirements:
1. Use at least three vocabulary words from today (e.g., clue, evidence, suspect, witness, investigate).
2. Use at least one sentence of reported speech (e.g., The witness said that...).

中文提示 (Hints)

任务：想像你是一名侦探。写一份关于你刚刚发现的犯罪现场的简短报告（至少 60 个单词）。

要求：
1. 至少使用三个今天学过的词汇（例如：clue, evidence, suspect, witness, investigate）。
2. 至少使用一句间接引语（例如：The witness said that...）。

0 / 60 words

High-Scoring Sample / 高分范文

I arrived at the school library at 4:00 PM to investigate the missing trophy. The scene was messy. I found a clue near the shelf: a small blue button. There were also muddy footprints leading to the door. I interviewed the librarian, who is our primary witness. She said that she had seen a student wearing a blue jacket earlier. I put the button into an evidence bag to study later. We now have a suspect!

高分详细解析

🎯 词汇覆盖：使用了 investigate, clue, footprints, witness, evidence, suspect 等多个核心词汇。
📖 语法运用：正确运用了间接引语 "She said that she had seen..."，时态退一步非常准确。
📝 篇章结构：按照时间顺序（到达 -> 发现线索 -> 采访目击者 -> 收集证据），逻辑清晰。