答: A.His的咪唑基 B.Lys的ε氨基 C.Arg的胍基 D.Cys的巯基 答案 组氨酸的咪唑基 收藏 更多“在生理条件下,下列哪种基团既可以作为H+的受体,又可以作为H+的供体?()”相关的问题...
答:[答案] 【1】fast既是形容词,也是副词 所以例句一中直接加了er 【fast——faster】 【2】slowy的副词slowly 属于多音节词变比较... 我今天早晨起床比我妈妈还早. He runs three times faster than his brother.他跑的速度比他弟弟快三倍. (2)“甲+be+形容...
答:[答案] 及物动词 vt. 1.懊悔;因...而遗憾[+v-ing][+that] I regret that you see it like that. 你这样看待这件事,我很遗憾. I believe you will ... 思念 I regret his death. 我对他的逝世痛惜不已. 3.为...抱歉,遗憾[+to-v][+that] I regret to say that I am unable to help you. 很抱...
答:[答案] 一、原级比较的基本用法 1.原级比较由“as+形容词或副词(或再加名词或短语)+as ”构成“原级相同”比较句,表示两... 4) Thomas Jefferson's achievements as an architect rival his contributions a politician. 〔A〕 such 〔B〕 more 〔C〕 as 〔...
答:[最佳答案] 1.C 另外两个,两种表达法,一种用two more,还有一种another two 2. C 日期的表述是月日这样的吧, 但是日子要用序数词,注意一下序数词的写法 3. D in one's thirties意思是在三十几岁的时候,就是那一段时间 4. C 我觉得是C,但有的人认...
答:[最佳答案] 当意思是:忍受;经得起时,用法为[+to-v][+v-ing][+that]都行 如 He could not bear that his friends should laugh at him. 他受不了朋友们竟也嘲笑他. I can't bear to see you like this. 我不忍见你这样. I don't feel very well. I can't bear this weather. 我...
答:[最佳答案] 不能 be going用现在进行时表示一般将来时,be going out 译为将要出去. 改成go就没有将来时的意思,只表示一般叙述(一般现在时) must+be+doing/coming/joking......指确定某人将要做某事(断定) must+do/go/know/have指必须做谋事,有...
答:[最佳答案] 1、cost:造句子 He bought this BMW car that costs him 10000 dollars.他买了这个BMW轿车,花了他10000美金.Dangerous driving could cost you your life.开车不注意安全有生命危险.Her irresponsible behaviour cost her father many sleepless ...
答:[最佳答案] 答案:B 解析:be worried about固定用法,排除CD,(worry另一种用法是做动词,如:don't worry!) "John is very anxious."是一个完整的句子,“his exam”是anxious的内容,中间要用连词.而且be anxious about sth 也是固定的,当然也有不用about的时候,(在没有说明内容的时候)如:I'm really anxious for I may fail the exam. anxious是一个形容词,怎么会ing?
答:[答案] last week everyone was trying wo cheer up jimmy,the bike boy.but this week,jimmy is happy again.on monday ,he told a iadio interviewer that he had run out of money to buy old bikes.he also put up some signs asking foe old bikes and called up his ...