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

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：)

2 / 20

In a disease transmission model, if the basic reproduction number (R₀) is less than 1, the epidemic will most likely:
在疾病傳播模型中，若基本傳染數 (R₀) 小於 1，疫情最可能：

3 / 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？

4 / 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？

5 / 20

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

6 / 20

In trilateration for GPS, how many satellites are needed to determine a 3D location? (在 GPS 的三邊測量中，確定 3D 位置需要多少顆衛星？)

7 / 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？

8 / 20

The primary function of GPS satellites is to transmit: (GPS 衛星的主要功能是傳輸：)

9 / 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？

10 / 20

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

11 / 20

What is the main purpose of culturing microorganisms in a laboratory?
在實驗室中培養微生物的主要目的是什麼？

12 / 20

Which material is flexible and heat-resistant? (哪種材料具有靈活性和耐熱性？)

13 / 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？

14 / 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？)

15 / 20

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

16 / 20

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

17 / 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？

18 / 20

Airplane lift is explained by:
飛機升力可以用______解釋：

19 / 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？

20 / 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？

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