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 shape has all sides equal and all angles 90°? (哪種形狀的所有邊相等且所有角為 90°？)

2 / 20

What is the main ethical concern regarding AI?
關於 AI 的主要道德問題是什麼？

3 / 20

In computer science and information theory, a Huffman code is a particular type of optimal prefix code that is commonly used for lossless data compression. Huffman coding prioritizes:
在計算機科學和信息理論中，霍夫曼編碼是一種特定類型的最佳前綴碼，通常用於無損數據壓縮。霍夫曼編碼的優先考慮：

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

Why might a mathematical model fail to match real-world data?
為什麼數學模型可能與現實數據不符？

6 / 20

A bacteria colony doubles every hour. Starting with 100 bacteria, the population after 5 hours is: (一個細菌群體每小時加倍。從 100 隻細菌開始，5 小時後的數量是：)

7 / 20

Which theorem states that the perpendicular bisector of a chord passes through the center of a circle?
哪個定理指出弦的垂直平分線會通過圓心？

8 / 20

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

9 / 20

How does increasing the number of coil turns (N) affect the voltage output in a Linear Electromagnetic Generator(LEG)?
增加線圈匝數（N）如何影響LEG的電壓輸出？

10 / 20

In a nutrition optimization problem using 2 food items, if:
Hamburger costs $12 each and provides 512 kcal
Soya drink costs $5 each and provides 128 kcal
What is the correct objective function to minimize total cost (C)?**
Let x be the serving quantity of Beef Hamburger and y be the service quantity of Malted Soya Milk, while $ C be the total amount of the food taken.

**在營養優化問題中使用2種食物時，若：
漢堡每個12元，提供512大卡
豆奶每個5元，提供128大卡
下列哪項是「最小化總成本(C)」的正確目標函數？**
設 x 為牛肉漢堡的份數，y 為麥芽豆奶的份數，而 C 美元為所選食物的總花費。

11 / 20

How many ways can you arrange 2 letters from {A, B, C} if order matters?
從{A, B, C}中選取2個字母排列，有多少種可能？

12 / 20

In a normal distribution, about 68% of data lies within: (在正態分佈中，約 68% 的數據位於：)

13 / 20

The probability of event B occurring given that event A has occurred is called?
已知事件A發生的條件下，事件B發生的機率稱為？

14 / 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？

15 / 20

When researching for climate trends, why is 30-year climate data more reliable than single-year data?

當製作氣候趨勢圖的時候，為什麼30年的氣候數據比單一年的數據更可靠？

16 / 20

Which of the following is an essential step in the engineering design process?
以下哪項是工程設計過程中的關鍵步驟？

17 / 20

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

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

A dataset contains the numbers {a, 4, 6, 4, 9}, where a is an unknown integer. If the mode of the dataset is uniquely 4, which of the following must be true about a?
某數據集包含數字 {a, 4, 6, 4, 9}，其中 a 為未知整數。若該數據集的眾數唯一且為4，則 a 必須滿足下列哪一條件？

20 / 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：)

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