36.What is the main theme of this passage？
(A)A volcano erupting event.
(B)The development of a sport.
(C)How Lt. Hébert saved people.
(D)How dangerous freerunning is.

*naval 海軍的

*coordinate
協調；使相配合
to make many different things work effectively as a whole
We need someone to coordinate the whole campaign.
A number of charities are coordinating their efforts to distribute food to the region.
相配，相稱；協調
to match or look attractive together
The bed linen coordinates with the bedroom curtains.

*indigenous當地的；本土的，土生土長的
naturally existing in a place or country rather than arriving from another place
Are there any species of frog indigenous to the area?
So who are the indigenous people of this land?

*discipline
訓導；訓練；紀律；約束
training that makes people more willing to obey or more able to control themselves, often in the form of rules, and punishments if these are broken, or the behaviour produced by this training
There should be tougher discipline in schools.
I don't have enough (self) discipline to save money.
控制能力，駕馭能力
the ability to control yourself or other people, even in difficult situations
Maintaining classroom discipline (= control of the students) is the first task of every teacher.

*parkour跑酷

*mainstream（思維、思想或信念等）主流的
considered normal, and having or using ideas, beliefs, etc. that are accepted by most people
This is the director's first mainstream Hollywood film.

* abandoned building廢墟



資料來源：劍橋辭典