50. From the paragraph we may assume that the writer most likely prefers________ tours.
(A)expensive
(B)specialized
(C)ordinary
(D)business

Tourism旅遊觀光業 today has become rather相當 specialized專業化的.

In addition to除⋯⋯之外(還) the general tours, which only allow the traveler to quickly visit one or two heritage遺產 sites and do a little shopping on the side, innovative創新的 travel agencies旅行社 offer a number of itineraries旅程、路線 for people with special interests.

For modern-day當今的 religious宗教的 pilgrims朝聖者、香客, trips are arranged to Jerusalem耶路撒冷 and Mecca麥加.

For people who are interested in nature, ocean liners retrace追溯、探究⋯⋯的源流 the voyages航行、乘船旅遊 taken by the naturalist Charles Darwin查爾斯・達爾文.

Nature lovers can also take ecological tours生態旅遊 that teach how to distinguish區別 the plant and insect昆蟲 life in preserved wetlands受保育的濕地.

One of the newer types of tourism is called dark tourism, which includes tours to cemeteries墓園 and prisons監獄.

The traveler can visit the tombs墓碑 of famous people at a cemetery in Paris or visit prisons where well-known有名的 political prisoners政治犯 or hardened criminals were imprisoned監禁、關押.

For people who take such specialized tours, learning something is more important than just being able to say,“I've been there.”

(B)specialized :專業的；專業化的

(A)expensive (adj) 高價的；昂貴的；花錢的  (B)specialized (adj) 專門的；專業的 (C)ordinary (adj）通常的；平常的 (D)business (n）職業；日常工作