2017年托福写作试题参考

倘不学习，再美好的理想也会化成泡影;倘不勤奋，再美妙的`也会付之东流;倘不实践，再广博的知识也会束之高阁。以下是小编为大家搜索整理的2017年托福写作试题参考，希望能个大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!

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