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(1)其中165≤x

选@：因为co∠ADC=，所以sin∠ADC=√63…6分3所以sin∠ADB=sin∠ADC=y6后续同①选③：在△ABD中，由正弦定理得：ABBDSin∠ADBsin6ACCD在△ACD中，由正弦定理得：…8分sin∠ADC...

6☐33%☐☐12：48人辽宁丹东高三上(.试题+答案.pdf20.阅读材料，完成下列要求。(12分)党的二十大以来，提高社会治理现代化水平，重点在基层，难点也在基层。国家“十...

同步练习选择填空。◇基础训练L.根据句意及汉语提示填写单词。1.A large wolf (can eat up to 20 pounds ofB)1.-What's the matter with my throat,food a day.do...

选②，因为(n-1)/S.=nS.i(n≥2)，所以√S,=nSi(n≥2)，…2分所以5=n片·号2…是·S=≥2).则s=n(≥2.…5分因为S1=a1=1满足上式，所以Sn=n2。…6分(2)由1可得6=(-1)·中=(-1（分...

江准名卷·2023年安徽中考押题卷（二）ZHIXIN EDUCATION数学（试题卷）注意事项：1.本试卷满分为150分，考试时间为120分钟。2.本试卷包括“试题卷”和“答题卷”两部...

Ⅱ.根据句意及汉语提示填空，每空一词。1.Because of the serious illness,she ate less and lessPart B(越来越少).同步练习2.Butterflies feed on(以.为食)the f...

WRITING二、对话理解。One possible version:6.A.Last night.6BSeptember 11SundayRainyB.Last week.It was rainy today,so I had to stay at homeC.Last monthi...

B.请阅读下面短文，根据语篇内容，用方框中所给词的正确形式填空，使短文通顺、连贯。方框中有两个词为多余项。His teaching methods were popular and useful.H...

区GLOBAL EGLS5.Sleeping and getting up early is (be)goodfor our health.6.A great deal of time was spent (spend)playing芳美酒报社computer games when he...