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根据现代生物进化理论．下列观点中正确的是

根据现代生物进化理论．下列观点中正确的是
题目：根据现代生物进化理论．下列观点中正确的是 A.人工培育的新物种只能生活在人工环境中 B.生物进化的方向与基因突变的方向一致 C.冬季来临时植物叶中可溶性糖含量增高是为了更好地防止冻害 D受农药处理后种群中抗药性强的个体有更多机去将基因传递给后代 喵查答案：D ……继续阅读 »

下列关于癌细胞的叙述，错误的是

下列关于癌细胞的叙述，错误的是
题目：下列关于癌细胞的叙述，错误的是 A.癌细胞具有无限增殖的能力 B.细胞癌变可以由病毒感染引发 C.原癌基因只存在于癌细胞中 D.癌细胞的转移与细胞间黏着性下降有关 喵查答案：C ……继续阅读 »

下列离子方程式与所述事实相符且正确的是

下列离子方程式与所述事实相符且正确的是
题目：下列离子方程式与所述事实相符且正确的是 A.漂白粉溶液在空气中失效：ClO-+CO2+H2O=HclO+HCO-3 B.用浓盐酸与MnO2反应制取少量氯气：MnO2+2H++2Cl- Mn2++C C.向NaAlO2溶液中通入过量CO2制Al(OH)3 ↓HCO-3 D.在强碱溶液中次氯酸钠与Fe(OH)3反应生成Na2FeO4; 喵查答案：C ……继续阅读 »

B I hated dinner partics. ButI decidedto give them anothar shot because I’m in LondonAnd my friend Mallery invited me. And because dinner parties in London are very differenfrom those back in New york. There, ‘Tin having a dinner party’ means: “I’m booklng a table for t2 at8 restaurant you can’t afford and we’ll be sharing the cheque evenly, no matter what you eat.” Worse, in Manhanan there is always someone who leaves before the bijanives. They’ll throw down cash, half of what they owe, and then people like me, who don’drink, end up paying even more. But ifI try to tree the same trick, the hostess will shou:”Where are you going” And it’s not likeI can say I have somewhere to go: everyone know shave nowhere to go

B I hated dinner partics. ButI decidedto give them anothar shot because I’m in LondonAnd my friend Mallery invited me. And because dinner parties in London are very differenfrom those back in New york. There, ‘Tin having a dinner party’ means: “I’m booklng a table for t2 at8 restaurant you can’t afford and we’ll be sharing the cheque evenly, no matter what you eat.” Worse, in Manhanan there is always someone who leaves before the bijanives. They’ll throw down cash, half of what they owe, and then people like me, who don’drink, end up paying even more. But ifI try to tree the same trick, the hostess will shou:”Where are you going” And it’s not likeI can say I have somewhere to go: everyone know shave nowhere to go
题目：B I hated dinner partics. ButI decidedto give them anothar shot because I’m in LondonAnd my friend Mallery invited me. And because dinner parties in London are very differ……继续阅读 »

第二节 书面表达（满分25分）

第二节 书面表达（满分25分）
题目：第二节 书面表达（满分25分） 假设你是李华，于2010年6月3日搭乘国外某航空公司航班（fright number BA793）回国后，发现遗失了一个行李箱（suitcase）。现请用英文给该航空公司写一封信，请他们帮你寻找。 信件要点包括： l 陈述写信原因 l 简要描述该行李 l 说明其重要性 l 期待回复并表示感谢 注意： 1．词数100左右 ……继续阅读 »