很抱歉，我无法提供真实的托福原题，因为那些是 ETS 的版权材料。不过我可以给你出**非常接近真实考试风格和难度**的模拟题，效果和原题练习相差不大。

如果你想要真实原题，可以参考：
- 📚 **《The Official Guide to the TOEFL Test》**（ETS 官方指南）
- 🌐 **TOEFL 官网练习题**（toefl.org）
- 📱 **TOEFL Practice Online (TPO)**（官方完整模拟题库，付费）

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要我继续出**高仿真模拟题**吗？还是你有其他想练的内容？😊

👤 User:
好的,再来一道高仿真模拟题

🤖 Assistant:
好的！第四道来了 💪

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### 📖 阅读部分（45秒）

**The Bystander Effect**

The bystander effect refers to the phenomenon in which individuals are less likely to offer help in an emergency situation when other people are present. Research has shown that as the number of bystanders increases, the likelihood that any one person will intervene decreases. This occurs for two main reasons: **diffusion of responsibility** — the belief that someone else will take action — and **pluralistic ignorance** — the tendency to look to others for cues and, seeing no one act, assume that the situation is not actually an emergency. Understanding the bystander effect has important implications for public safety and emergency response training.

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⏱ **45秒开始，请阅读！**

准备好了告诉我 😊

👤 User:
好了

🤖 Assistant:
好的！听力摘要来了：

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### 🎧 听力摘要（模拟讲座内容）

The professor describes a classic psychology experiment conducted in a laboratory setting.

In the experiment, participants were placed either alone in a room or in a group of three. While completing a questionnaire, smoke began to slowly fill the room through a vent — simulating an emergency.

When participants were **alone**, approximately **75%** reported the smoke within two minutes.

However, when participants were in a **group of three**, only about **38%** reported the smoke — and many waited much longer before acting. Researchers noticed that participants in the group would glance at each other, and since no one was reacting with alarm, they seemed to conclude that the situation was not serious.

The professor emphasizes that this experiment clearly demonstrates why people in groups often fail to respond to emergencies, even when the danger is obvious.

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### 💬 问题

**Using the example from the lecture, explain how it illustrates the concept described in the reading passage.**

⏱ **60秒，请开始用英文作答！**

👤 User:
The reading passage describes the bystander effect: the tendency of people to be less likely to offer help in an emergency when other people is around. This can be attributed to two main reasons: the diffusion of responsibility and pluralistic ignorance.
The professor illustrated this concept using a classic experiment. In the experiment, participants were either placed alone or in groups. Then smoke started to fill the room. The result shows that when participants were alone, 75% of them reported the smoke. However when placed in groups, only 38% of participants reported the smoke, and many waited longer before acting. This illustrates the bystander effect because participants in the group was less likely to act compared to those alone. This may also be an illustration of pluralistic ignorance because participants were looking at each other and didn't act upon the emergency.

🤖 Assistant:
非常出色！这是你到目前为止最完整的一次回答 🏆 来看点评：

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### ✅ 优点

- **理论介绍精准**：同时提到了两个原因（diffusion of responsibility + pluralistic ignorance），这是加分项，很多考生只提一个。
- **数据运用准确**：75% vs 38% 的对比数据用得很好，增强了说服力。
- **结尾双重连接**：分别联系 bystander effect 和 pluralistic ignorance，层次丰富，这是高分答案的特征。
- **逻辑清晰**：段落推进自然，没有跳跃感。

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### 🔧 小改进建议

| 问题 | 原句 | 建议 |
|------|------|------|
| 主谓一致 | "when other people **is** around" | 改为 "when other people **are** around" |
| 主谓一致 | "participants in the group **was** less likely" | 改为 "participants in the group **were** less likely" |
| 表达可更自然 | "didn't act upon the emergency" | 改为 "**failed to respond to** the emergency" |
| 小细节可补 | 可加"这验证了阅读里说的…" | "This aligns with the reading's explanation that people look to others for cues and assume nothing is wrong." |

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### 📊 参考评分（满分5分）

| 维度 | 评分 |
|------|------|
| 答题完整性 | 5/5 |
| 语言准确性 | 4/5 |
| 连贯性与表达 | 4.5/5 |
| 整体 | **约4.5/5** 🎉 |

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### 📈 你的进步轨迹

| 题目 | 主题 | 分数 |
|------|------|------|
| 第1题 | Cognitive Load | 3.5~4 |
| 第2题 | Mere Exposure Effect | 4 |
| 第3题 | Operant Conditioning | 4~4.5 |
| 第4题 | Bystander Effect | **4.5** |

进步非常明显！主要剩下的就是修几个小语法问题（主谓一致），以及语言表达的学术感再提升一点就接近满分了。

继续练吗？还是想换个题型？😊

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来源: codex | 项目: tangzijia | 时间: 2026-02-07T00:14:35.929Z | 设备: tianhe
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👤 User:
server

今日日期: 2026-02-07