1、【题目】Anearlytypewriterproducedlettersquicklyandneatly;thetypist,_____couldn'tseehisworkonhismachine.

选项：

A.however

B.therefore

C.yet

D.although

答案：

解析：

1、【题目】Heisaveryhonestofficialandnever_____anygiftsfromthepeoplewhosoughthishelp.

选项：

A.accepted

B.received

C.tookup

D.excepted

答案：

解析：

1、【题目】Scientists have obtained more evidence ___________ plastic is finding its way into the human body.

选项：

A.what

B.that

C.which

D.where

答案：

B

解析：

暂无解析

1、【题目】We’d better discuss everything _______ before we work out the plan.

选项：

A.indetail

B.ingeneral

C.onpurpose

D.ontime

答案：

A

解析：

暂无解析

1、【题目】Motorists_____ofspeedingmaybebannedfromdrivingforayear.

选项：

A.convicted

B.arrested

C.charged

D.judged

答案：

解析：

1、【题目】Teachershavetoconstantlyupdatetheirknowledgeinordertomaintaintheirprofessional___.

选项：

A.consequence

B.independence

C.competence

D.intelligence

答案：

解析：