趣答答案

C.生物多样性是协同进化的结果D.生物多样性就是物种多样性二、非选择题（每小题10分，共50分）26.已知玉米籽粒的糯和非糯是由1对等位基因(A/a)控制的相对性状。...

45.(8分，除特殊标注外，每空1分)(1)逆转录(2)加热至90~95℃(3)病毒RNA逆转录形成的cDNATag酶热稳定性高，而大肠杆菌DNA聚合酶在高温下会失活(2分)(4)低于与正常...

【解折】当a=时，()=x+2-e,f()=x+1-e,…1分记g(x)=x+1-e,则g'(x)=1-e,由g'(x)=1-e>0得x0,得x

习全国@0所名接单元测试示范卷教学札记92,则a=5.已知椭圆三十y2=1(a>0)的离心率为y2月A2或号及V2或22C3或D或号解折：学a≥1时，方=。，准得a=反：当0a1时号1气亡...

高三一轮复习·语文·高三一轮复习单元检测卷/语文（十二）1.B【解析】“奇才异行”是并列短语，中间不应断开；何陷害中伤张九龄…于是玄宗罢免了张九龄的职务，“虽奇...

五、阅读下面的文言文，完成17~20题。(19分)B.李业兴知识广博，备受时人推崇。他曾被群臣推举主持将进献朝廷的十家历法编为李业兴，上党长子人也。业兴少耿介，...

Keys:(One possible version)1.that2.that3.that4.which5.which“△SSOTIIII I0

Keys:(One possible version)1.I suggest that we have three to four PE classesa week2.relax ourselves and stay energetic3.if you could take our advice i...

①第2期参考答案5.developed country;developing countryW:It doesn't matter.But you'd better come to W:Oh,I want to go camping in the forest.My family第1...

上接B2,B3版中缝)W:It scems that it's easy for people to findM:You can say so,but to getand a 4-ycar collegin teaching English here?W:Yes.I moved here...