1.TheChisosMountainsinBigBendNationalParkinTexaswerecreatedbyvolcaniceruptionsthatoccurred_____。下面是小编为大家整理的2023托福选择题试题训练（范文推荐）,供大家参考。
1.The Chisos Mountains in Big Bend National Park in Texas were created by volcanic eruptions that occurred _____。
Athe area in which dinosaurs roamed
Bwhen dinosaurs roamed the area
Cdid dinosaurs roam the area
Ddinosaurs roaming the area。
2.In bas-relief sculpture，a design projects very slightly from its background，_____ some coins。
Aas on
Bbecause
Cthe way that
Dsimilarly。
3.Alaska found the first years of its statehood costly because it had to take over the expense of services _____ previously by the federal government。
ATo provide
BBe provided
Cproviding
Dprovided。
4.With age，the mineral content of human bones decreases，_____ them more fragile。
Amake
Band to make
Cthereby making
Dwhich it makes。
5.。Not until Kentucky‘s Mammoth Cave had been completely explored in 1972_____。
Awhen was its full extent realizedBthat its full extent realized
Cwas its full extent realized
Dthe realization of its full extent。
6.The first explorer _____ California by land was Jedediah Strong Smith，a trapper who crossed the southwestern deserts of the United States in 1826。
Athat he reachedBreached
Cto reach
Dreaching it
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