1、【题目】Despitetheproliferationofotherfastermodesoftransportation,therailroadsremainthelargestcarriersofintercityfreightintheUnitedStates.

选项：

A.schemes

B.means

C.tracks

D.variables

答案：

解析：

1、【题目】Bythenineteenthcentury,embroideryonmen'sclothinghadvirtuallydisappearedexceptfortheoccasionaldecorativevestandtie.

选项：

A.almost

B.definitely

C.already

D.universally

答案：

解析：

1、【题目】InthenortheasternUnitedStates,itrainsintermittently间歇地throughoutthespring.

选项：

A.steadily

B.abundantly

C.periodically

D.daily

答案：

解析：

1、【题目】Bats fly, rather than glide, and thus are the only mammals capable of true flight.

选项：

A.straight

B.safe

C.real

D.rapid

答案：

C

解析：

暂无解析

1、【题目】The company issues an annual report every March.

选项：

A.ayearly

B.acomprehensive

C.afinancial

D.aproduct

答案：

A

解析：

暂无解析