极好的

高中英语题44it is very important that you should not pretend______you know________you don't.a.what,that b.that,what为什么选b 具体点 高中英语选择,每题请告诉我为什么选这个,1 Comrade Wang is to give us a talk on__B____he saw and heard in Britain.A.what B.all what C.that D.which 为什么不选A2______is a fact that English is being accepted as an international lang 锅炉如何除垢,一吨水需要多少盐酸、多少纯碱、硫酸?求大神回答. 半吨锅炉用多少盐酸来除垢? 用白话翻译 英语翻译“两弯似蹙非蹙柳烟眉,一双似喜非喜含情目.态生两靥之愁,娇袭一身之病.泪光点点,娇喘微微.闲静似娇花照水,行动如弱柳扶风.心较比干多一窍,病如西子胜三分.” 第三十三题,选什么?为什么? 二级反应为什么不一定是双分子反应 怎么判断卤代烃的反应是双分子亲核取代反应SN2还是单分子亲核取代反应SN1? 高中生物能量流动中的未利用指什么? 38.8___the holes in the roada.mindb.look outb.becarefuld.notice 38.10what's wrong with my son?nothing serious.he will be___soon after taking the medicine.which of the answer is WRONGa.rightb.all rightc.welld.better 38.15the reason i intended to go was___if i don'ta.because of they would be helplessb.they would be helplessc.because they would be of no helpd that they would be of no help 世界上历史以来有哪些著名的海盗? 高中英语问题 请告诉我原因 38.14____that he was going to the supermarket,so i asked him to send a letter for mea.that happenedb.it so happedc.that was happenedd.it was happened 中国历史上有没有出现过特别有名的海盗?我国历史上有没有海盗? 中国历史上的著名海盗是叫张保仔么?有关他的事迹在介绍一下! 世界历史上真正的海贼王是谁? 双分子消除反应通常在什么条件下发生 37.7none of the men here___in his fiftiesa.looksb.lookc.is lookedd.are looked 37.6when i suggested that we___a walk,the smile on my father's face suggested that he ____]a.take,agreeb.took,agreedc.take,agreedd.took,agree 请问突触小泡属于突触结构么? 37.4keep the golden rule in mind ___you never pretend to know when you do nota.whatb./c.thatd.b and c 37.13which of the following sentences is RIGHTa.the more he explained ,the worse situation he seemed inb.the more he explained,the worse he seemed in a situationc.more he explained,worse he seemed in a diffcult situationd.when he explained more,the w 突触小泡与突触前膜融合释放递质的过程叫什么 突触小泡与突触前膜相融合,体现了细胞膜的什么特点 石灰中氧化钙比氧化镁高是怎么回事石灰分析中,都是氧化镁比氧化钙高,但近段时间为什么会出现氧化钙比氧化镁高或相同（在减去空白后）. 石灰中盐酸不溶物主要为二氧化硅,氧化钙和氧化镁,那么也就是说石灰中所含的二氧化硅比酸不溶物要少对吗? 神经递质是由突触小泡释放还是突触前膜? 人类史上十大未解之谜是哪十大?具体的? 世界十大未解之谜（详细介绍）世界十大未解之谜 世界十大未解之谜与中国十大未解之谜.都叫什么名?我真的很想知道~