45
(A)confession
(B)convention
(C)computation
(D)communication

(A)confession  kənf'ɛʃən  自認,自白,招供

(B)convention  kənv'ɛnʃən   C大會,會議;C公約,協定;C習俗,慣例;U習俗,慣例

;先想到convenient  /kənv'injənt/ (a.)便利的,方便的

(C)computation k,ɑmpjət'eʃən   計算,計數,計量

(B) convention翻譯：會議, 大會；會議, 風俗, 傳統；（尤指社會）習俗，常規，慣例, （藝術、 寫作上的）傳統手法, 協議, 公約；協定。
(C) computational翻譯：計算的, 使用電腦進行的。

In the past, when explorers arrived in a strange place, the first thing they did was to 41 their tents帳篷 or cook a meal.

But nowadays, when explorers arrive in a new place, they log on注冊;登錄 to their social networking site using a satellite太空, 人造衛星 phone.

Explorers in the past wrote about their adventures in books which were published months or years later.

Nowadays, we 42 a message in seconds. Sites like Facebook and Twitter also help if explorers have a problem.

Someone in our group touched a strange plant and suddenly his skin was red and painful. I asked for 43 on Twitter: “Hand touched a strange plant. It’s red and hot. Any advice?” Minutes later, someone who knew the region 44 , “Probably a Pushki plant. If it is, it’ll hurt but it won’t kill you!” In the age of modern explorer, 45 like this really helps to make decisions, and sometimes it even saves lives.