全港學生STEAM精英挑戰賽2026 – (保良局朱敬文中學 – 高中組)

賽前注意事項:

  1. 本次比賽將包含20條選擇題。參賽者需在五個選擇內選一個正確的。
  2. 請老師預留60分鐘的時間用於學生比賽。我們嚴格遵守時間管理，以確保比賽的公平性和效率性。
  3. 請老師和參賽者在比賽期間保持冷靜，不必急於完成。
  4. 一旦進入網頁，計時器將立即開始倒數計時，所以請確保在按下連結之前已經準備妥當。
  5. 每位參賽者只有一次機會進行比賽，請確保在提交答案前仔細確認。重複提交將導致資格被取消，請謹慎操作。
  6. 請在開始後的60分鐘內完成試題。

Pre-match Notes:

  1. This competition will include 20 multiple-choice questions. Participants must choose one correct answer from five options.
  2. Teachers are requested to reserve 60 minutes for the student competition. We strictly adhere to time management to ensure fairness and efficiency.
  3. Teachers and participants are asked to remain calm during the competition and not rush to finish.
  4. Once you enter the webpage, the timer will start counting down immediately, so please make sure you are ready before clicking the link.
  5. Each participant has only one chance to compete; please ensure you double-check your answers before submission. Resubmission will lead to disqualification, so please proceed with caution.
  6. Please complete the questions within 60 minutes after starting.
請輸入密碼。Please enter password.

請先輸入參賽者資料,再按下頁開始。資料必須與登記比賽申請表的資料一致。
Please enter participant information, and then press Next button to start. The information must be the same as application.

1 / 20

What is the formula for average speed?
平均速度的公式是什麼？

2 / 20

Why might a quadratic equation program return an error for x2 – 4x + 5 =0
為何二次方程式程式在計算 x2 – 4x + 5 =0 時會報錯？

3 / 20

In encoding a given string of text, which method is most effective in minimizing the average code length? 在編碼給定的文本字符串時，哪種方法最有效地最小化平均代碼長度？

4 / 20

Which type of filter is commonly used to purify water?
哪種類型的過濾器通常用於淨化水？

5 / 20

The largest error in distance measurement occurs when the angle θ is: (距離測量中的最大誤差發生在角度 θ 為：)

6 / 20

Given the tree diagram, if a Brand I user considers buying a new phone, what is the probability they will choose Brand I again? 根據樹狀圖，若 Brand I 用戶考慮購買新手機，他們再次選擇 Brand I 的機率是多少？

7 / 20

In a probabilistic model, the term “expected value” refers to: (在概率模型中，「期望值」一詞是指：)

8 / 20

What is the main advantage of using a plate model instead of a food pyramid for dietary guidance?
使用餐盤模型而非食物金字塔作為飲食指導的主要優勢是什麼？

9 / 20

The average of five distinct positive integers is 12. If the largest integer is 18, what is the maximum possible value of the smallest integer in the set? 有五個不同的正整數，其平均數為12。若最大的整數是18，則集合中最小的整數的最大可能值是多少？

10 / 20

Why does the charging rate of a supercapacitor decrease in later stages?
為什麼超級電容器的充電速率在後期階段會降低？

11 / 20

A dataset’s mode is the value that: (數據集中的眾數是：)

12 / 20

If 10 people are infected today and the number doubles daily, how many are infected in 3 days? (如果今天有 10 人感染，且每天感染人數加倍，3 天後有多少人會感染？)

13 / 20

What is the binary number 1010 in denary? (二進制數 1010 在十進制中是什麼？)

14 / 20

Why do solar trackers improve energy collection?
太陽追蹤器如何提升能量採集？

15 / 20

Which of the following is an example of a structured data format?
以下哪一項是結構化數據格式的例子？

16 / 20

Which of the following is an example of natural antimicrobial agents?
以下哪一項是天然抗菌劑的例子？

17 / 20

In the context of trigonometric calculations, a 0.5° error in θ causes the largest distance deviation when θ is: (在三角計算的上, 當 θ 為時，0.5° 的誤差會導致最大的距離偏差：)

18 / 20

If a system reaches equilibrium (dx/dy=0), what does this imply?
若系統達到平衡 (dx/dy=0)，這意味著什麼？

19 / 20

Which graph shows monthly temperature changes?
哪種圖表顯示每月的溫度變化？

20 / 20

The most common material for 3D printing (FDM) is:
3D打印（熔融沉積成型）最常用的材料是：

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