问题标题:
高中英语和数学题急~~~~~~~~~1.()himbysurpriseandhehadnotimetothinkofanexcuse.A.tookB.seizedC.heldD.caught2.Chinahasapopulationof1.3billion,()itthelargestcountryintheworldbypopulation.A.makingB.madeC.ma
问题描述:
高中英语和数学题急~~~~~~~~~
1.()himbysurpriseandhehadnotimetothinkofanexcuse.
A.tookB.seizedC.heldD.caught
2.Chinahasapopulationof1.3billion,()itthelargestcountryintheworldbypopulation.
A.makingB.madeC.makes.D.hasmade
3.()globalwarming,thosepresentattheinternationalmeetingalsodiscussedotherissues.
A.InspiteofB.ButforC.ApartfromD.Exceptfor
4.()herselftoscience,thegreatscientisttooklittlenotice()thehonorsgiventoher.
5.-Howcomeasimplemeallikethiscostsomuch?
-Wehave()inyourbillthecostoftheteapotyoubrokejusenow.
A.addedB.includedC.obtaonedD.charged
有能力者把选项的每个单词意思翻译一下,还有句子.
1.f(x)=2sin(2x+30°)+2满足f(x)=1且X属于[-180°,180°]的X的集合.
2.cos2x/sin(x-45°)=-(根号2/2),求cosx+sinx的值
需要解题过程
谢谢了.
唐广波回答:
DAC4不知道5选A翻译:为什么这么简单的饭菜要这么多钱?我们把你摔坏的那个茶壶算进的您的账单数学第一题因为x在【-180°,180°】,所以,2x在【-360°,360°】.所以2x+30°在【-330°,390°】因为f(x)=1,所以sin...
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