倘不學習，再美好的理想也會化成泡影;倘不勤奮，再美妙的`也會付之東流;倘不實踐，再廣博的知識也會束之高閣。以下是小編為大家搜尋整理的2017年託福寫作試題參考，希望能個大家帶來幫助!更多精彩內容請及時關注我們應屆畢業生考試網!
8。The Chisos Mountains in Big Bend National Park in Texas were created by volcanic eruptions that occurred _____。
(A)the area in which dinosaurs roamed
(B)when dinosaurs roamed the area
(C)did dinosaurs roam the area
(D)dinosaurs roaming the area。
9。In bas-relief sculpture，a design projects very slightly from its background，_____ some coins。
(A)as on
(B)because
(C)the way that
(D)similarly。
10。Alaska found the first years of its statehood costly because it had to take over the expense of services _____ previously by the federal government。
(A)To provide
(B)Be provided
(C)providing
(D)provided。
11。With age，the mineral content of human bones decreases，_____ them more fragile。
(A)make
(B)and to make
(C)thereby making
(D)which it makes。
12。Not until Kentucky‘s Mammoth Cave had been completely explored in 1972_____。
(A)when was its full extent realized(B)that its full extent realized
(C)was its full extent realized
(D)the realization of its full extent。
13。The first explorer _____ California by land was Jedediah Strong Smith，a trapper who crossed the southwestern deserts of the United States in 1826。
(A)that he reached(B)reached
(C)to reach
(D)reaching it
