2.生态位来自于英语niche，原意是指供神的神龛。（）

首都师范大学科德学院2019－2020学年度第二学期期末考试大学英语（二）试卷（A）PartIListeningComprehension(2*10=20%)SectionADirections:You’regoingtolistentotherecordingtwice.Choosetherightanswerforeachquestionaccordingtowhatyouhear.ConversationOne1.Howmuchdoesthisgoldbarcostintotal?

Directions:Thereare20incompletesentencesordialoguesinthispart,choosethebestanswertocompletethem.(补全句子，问题或对话)17.Weshouldbe___________forourbehavior.

Directions:Thereare20incompletesentencesordialoguesinthispart,choosethebestanswertocompletethem.(补全句子，问题或对话)17.-Doyouagreewithmeonthis?-Icouldn’tagree_______.

Directions:Thereare20sentencesordialoguesinthispart.ForeachsentenceordialoguetherearefourchoicesmarkedA,B,CandD.Choosethebestonetocompletethefollowingsentences.ThenmarkthecorrespondingletteronAnswerSheet.Mostanimalshavelittleconnectionwithanimalsofadifferentspecies,______theyhuntthemforfood.

十七年蝉的生命周期之所以是17，其原因在于（）

某笔资金按单利计息，n个周期末的本利和为____。

期末一般无余额的账户是

17.Alotofhomeswere____intheflood.

17.Sheisjustthegirl,with____mybrothercametovisitmelastmonth.