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

Which term describes limiting disease spread? (哪個術語描述限制疾病傳播？)

2 / 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？

3 / 20

In a diet optimization problem, the objective function typically represents: (在飲食優化問題中，目標函數通常代表什麼？)

4 / 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？

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

What angle is complementary to 40°? (與 40° 互補的角是什麼？)

7 / 20

Which of the following is an application of microorganisms in food production?
以下哪一項是微生物在食品生產中的應用？

8 / 20

Nuclear power plants have near-zero emissions of: (核電廠的排放接近零的氣體是：)

9 / 20

Which energy source produces no carbon emissions? (哪種能源不產生碳排放？)

10 / 20

Which unit does a 3D printer use?
3D 打印機使用哪個單位？

11 / 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：)

12 / 20

What is the relative error if the measured value is 20 and the actual value is 18? (如果測量值為 20，而實際值為 18，相對誤差是多少？)

13 / 20

Which of the following best defines Artificial Intelligence (AI)?
以下哪項最能定義人工智慧 (AI)？

14 / 20

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

15 / 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？

16 / 20

Which of the following is considered unstructured data?
以下哪一項被認為是非結構化數據？

17 / 20

To make 1L of 1:99 bleach solution from a 5.25% stock, how much bleach is needed? (要從 5.25% 的原液製作 1 L 的 1:99 漂白水，需要多少漂白劑？)

18 / 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？

19 / 20

Mixing red and blue light produces:
紅光和藍光混合會產生：

20 / 20

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

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