45分鐘A級基礎(chǔ)必做題一選擇題12014北京卷已知函數(shù)fxlog2x。則abi2A54i B54iC34i D34i解析。45分鐘一選擇題12014四川卷已知集合Axx2x20。則集合UABAxx0 Bxx1Cx0x1 Dx0x1解析。則f5f5等于A1 B2C0 D.解析。故f5f52.故選B.答案。
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1、2017版紅對勾講與練人教版化學(xué)選修4課堂達(dá)標(biāo)練:第二章化學(xué)反應(yīng)速率和化學(xué)平衡233Word版含解析1.下列關(guān)于平衡常數(shù)的說法正確的是A.在平衡常數(shù)表達(dá)式中,反應(yīng)物濃度用起始濃度,生成物濃度用平衡濃度B.在任何條件下,化學(xué)平衡常數(shù)是一個(gè)恒定。
2、課時(shí)作業(yè)23化學(xué)電源時(shí)間:45分鐘滿分:100分一選擇題1銀鋅電池廣泛用作各種電子儀器的電源,它的電池反應(yīng)是:ZnAg2OH2O2AgZn2,則負(fù)極上發(fā)生反應(yīng)的物質(zhì)是AAgBZn2CAg2O DZn1解析:由題給總方程式得:Zn2OH2eZ。
3、專題十九短文改錯(cuò)高考精萃一2014遼寧卷Dear Jeremy and Alice,Although weve been delighted to have you as neighbors, were hoping to settle s。
4、課時(shí)作業(yè)5函數(shù)與方程及函數(shù)的應(yīng)用時(shí)間:45分鐘A級基礎(chǔ)必做題一選擇題12014北京卷已知函數(shù)fxlog2x,在下列區(qū)間中,包含fx零點(diǎn)的區(qū)間是A0,1 B1,2C2,4 D4,解析:由題意知,函數(shù)fx在0,上為減函數(shù),又f16060,f23。
5、專題二十書面表達(dá)一提綱類高考精萃一2014課標(biāo)全國卷一家英語報(bào)社向中學(xué)生征文,主題是十年后的我,請根據(jù)下列要點(diǎn)和你的暢想完成短文.1. 家庭;2. 工作;3. 業(yè)余生活.注意:1.詞數(shù)100左右;2可以適當(dāng)增加細(xì)節(jié),以使行文連貫;3開頭語已。
6、課時(shí)作業(yè)2平面向量復(fù)數(shù)算法初步時(shí)間:45分鐘一選擇題12014山東卷已知a,bR,i是虛數(shù)單位,若ai與2bi互為共軛復(fù)數(shù),則abi2A54i B54iC34i D34i解析:由已知得,a2,b1,即abi2i,所以abi22i234i,選。
7、專題十虛擬語氣高考精萃12014北京卷We be back in the hotel now if you didnt lose the map.22014天津卷 catch the morning train, he would not 。
8、專題十三狀語從句高考精萃12014山東卷I dont really like the author, I have to admit his books are very exciting.22014重慶卷Half an hour late。
9、專題五介詞及介詞短語高考精萃12014北京卷Jane is in a hurry because the train to the airport leaves half an hour.22014天津卷 to the school, th。
10、專題四形容詞與副詞高考精萃12014大綱全國卷Raymonds parents wanted him to have good possible education.22014福建卷With online shopping increasi。
11、課時(shí)作業(yè)3不等式線性規(guī)劃合情推理時(shí)間:45分鐘一選擇題12014四川卷已知集合Axx2x20,集合B為整數(shù)集,則ABA1,0,1,2B2,1,0,1C0,1 D1,0解析:Ax1x2,AB1,0,1,2,選A.答案:A2若ab0,則下列不等。
12、專題十八語法填空一記敘文高考精萃Passage 12014遼寧卷Jonny:Hey Im just practicing Tai Chi太極. Would you like to join mePeter:I know nothing ab。
13、課時(shí)作業(yè)1集合與常用邏輯用語時(shí)間:45分鐘一選擇題12014遼寧卷已知全集UR,Axx0,Bxx1,則集合UABAxx0 Bxx1Cx0x1 Dx0x1解析:依題意得ABxx0或x1,故UABx0x0;條件q:a2a0,那么p是q的條件A充。
14、課時(shí)作業(yè)6導(dǎo)數(shù)及其應(yīng)用時(shí)間:45分鐘A級基礎(chǔ)必做題一選擇題1函數(shù)yfx的圖象在點(diǎn)x5處的切線方程是yx8,則f5f5等于A1 B2C0 D.解析:由題意知f5583,f51,故f5f52.故選B.答案:B2當(dāng)x0,5時(shí),函數(shù)yxlnxA是單。
15、專題八非謂語動(dòng)詞高考精萃12014天津卷Anxiously, she took the dress out of the package and tried it on, only find it didnt fit.22014天津卷Cle。
16、專題一冠詞高考精萃12014天津卷Life is like ocean:only the strongwilled can reach the other shore.22014重慶卷I cant tell you way to the W。
17、專題九情態(tài)動(dòng)詞高考精萃12014全國大綱卷Although you find bargains in London, its not generally a cheap place to shop.22014北京卷 I have a wor。
18、課時(shí)作業(yè)4函數(shù)的圖象與性質(zhì)時(shí)間:45分鐘A級基礎(chǔ)必做題一選擇題12014山東卷函數(shù)fx的定義域?yàn)锳0, B2,C0,2, D0,2,解析:由已知log2x210,log2x1或log2x2或0x1時(shí),1log2x2,解得x,所以x1.綜上可。
19、專題三代詞高考精萃12014大綱全國卷Whos that at the door is the milkman.22014山東卷Susan made clear to me that she wished to make a new lif。
20、專題十七七選五高考精萃Passage 12014北京卷Evaluating Sources of Health Information Making good choices about your own health requires r。