一、列車自動保護系統(Automatic Train Protection，ATP)提供列車行駛之安全保障，請列舉出其相關功能。至少列出二項。(25分)

二、列車於號誌系統之「佔用長度(occupancy)」會隨著列車的移動而連續改變，另透過無線電方式收發列車資訊，可偵測計算兩車之間的距離，從而計算出尾隨列車可以安全行駛而不會撞向前面列車的最高速度以及停車位置，請問這是屬於固定式閉塞區間(Fixed Block)還是移動式閉塞區間(Moving Block)？(25分)

三、請說明捷運鐵路軌道號誌系統中的軌道電路功能為何。至少列出二項。(25分)

(1)扳轉指令下達

(2)轉轍器處於未定位狀態

二、簡答題   1. Explain the process of naive T cell activation. What is the significance of co-stimulation in this process?

2. CD4+ T cells differentiate into various effector subsets with specialized functions. Describe the main types of CD4+ effector T cells and their roles in the immune response?

3. CAR T cell therapy is a revolutionary approach to cancer treatment. Explain how this immunotherapy works, including the modification of T cells and their mechanism of action against tumor cells.

4. The T cell receptor (TCR) complex is crucial for antigen recognition. Describe the key components of this complex and their respective functions.

5. What is immunological tolerance?

6. The smallpox virus circulated and plagued the human population for many centuries until 1979, thanks to the advent of effective vaccines developed by Dr. Edward Jenner using the skin material of a milkmaid infected by the cowpox virus. Please describe the principle of vaccination against viral infection. Please describe the potential mechanisms of how the cowpox virus vaccine protects humans from smallpox virus infection. (4 points) If you were to develop a new version of the smallpox virus vaccine using current technology, which approach would you take and why?

108年 - 108-2 臺中捷運股份有限公司_人員招募公開延攬試題_助理工程師(管理、規劃類)：維修規劃管理實務#125933