坡度高程差怎么算

You should wash your hands before_____meals.A：have B:having C:to have说答案,再说为什么选, You always do what you can ( ) .A,help B,to help求做题根据,另外还想问一下 what you can 在句中作什么成份． 求解析!关于一个初中英语选择题_____ to your dreams, and they may come true one day.A.To hold on B.Hold onC.Holding on D.Being holding on选哪一个?为什么? 竹子,袋鼠英语怎么说复数形式怎么变 HS是什么硬度啊? --Why was Peter badly hurt?--He drove his motorcycle too fast and _____ the tree.A.rushed to B.ran into C.rode into D.to rush to到底选哪个啊，我知道肯定不是选D。 谁快谁被采纳.He managed to make himself ______ with his _______ English.A.understand;breakingB.understand;brockenC.understood;breakingD.understood;brocken最好能有详细分析,我觉得第一个空是understand,但是第二个空就不知道 一道初中英语选择题(定语从句),Can you lend me the book ( ) the other day?A.about which you talked B.about that you talked We --- the letter yesterday,but it didn't arrive A .ought to receive B .ought to have received C.must have received D.must receive 迄今 读音呢 瘮这个字怎么读?求读音和含义 帆桁的读音和意思解释 蟆怎么读,蟆的意思,蟆的读音, 帮帮忙解释下含义和中文读音下面的是你帮忙想的英文名,可我不知道含义和读音,麻烦你了.Anchy－Antory－Ancha－Chewy－Ency－Juliet－Chelian－Jack－Antory－Eric－Andy 应该是很简单,可是我不会..._______the pork before you put it into the pan .A.Cut B.Cutting C.Cutting up D.Cut up答案上是选D,我觉得应该选C,因为动词作主语用ing,可是,它是主语吗? Children in our country ___________.A are taken good careB are taken good care ofC look after wellD are looked well我选的是B 但不知道具体原因 --have you got a computer at honm?--yes .I bought __only yesterdayA.it B.one C.this D.that正确答案是B,谁能告诉我为什么不选A呢? 一道简单初中英语选择题4.Mr Robin, we must hand in our homework,________?No, You_____.A.needn't we ; must'tB.needn't we ; needn'tC must't we ; needn't 为什么 鹦鹉用英文怎么拼? "鹦鹉"的英文怎么拼 鹦鹉的英语拼写 鹦鹉的英文这么拼 既然钻石硬度如此高,那么,切割钻石用什么呢?另一块钻石嘛? 硬度仅次于金刚石的金属 不是说钻石是最硬的吗?那怎么切割它RT 钻石的硬度 最硬的东西是什么 “攒”有几个读音?“攒行”怎么读 Sylvia 怎么读?用中文写出读音行么…… i have two brothers,----of them is a worker.为什么用neither不用both 形容天气晴朗暖和的词语 根据意思写词语 形容天气晴朗温和 晴朗