1 . therefore 因此
2 . Studies of the gravity field of the Earth indicate that its crust and mantle yield when unusual weight is placed on them 对地球引力的研究表明,在不寻常的负荷之下地壳和地幔会发生位移。
3 . 常用过去完成时的时间主状语
4 . ②常用一般过去时表示依次发生的动作
5 . 例如:Ifoundeverthingingoodcondition我发现一切状况良好。
6 . pull up 拔出;拔掉;使车停住;停车
7 . Many people insist that … 很多人坚持认为……
8 . He hadn’t finished by yesterday evening
9 . Although apparently rigid, bones exhibit a degree of elasticity that enables the skeleton to withstand considerable impact 骨头看起来是脆硬的,但它也有一定的弹性,使得骨骼能够承受相当的打击。
10 . agree with同意
1 . keep up 保持;继续(某活动)
2 . Peoples views on … vary from person to person Some hold that … However, others believe that…人们对……的观点因人而异有些人认为……,然而其他人却认为……
3 . He hasn’t finished yet
4 . 毫无疑问,对……问题应予以足够的重视
5 . Wejumpedwithjoy
6 . The difference between libel and slander is that libel is printed while slander is spoken 诽谤和流言的区别在于前者是书面的,而后者是口头的。
7 . 考虑所有这些因素,我们可能会得出合理的结论……
8 . 甚至他在街上走路时和在拐角处转弯时的那种姿态,都可以认为是他独有的动作。
9 . Acids are chemical compounds that, in water solution, have a sharp taste, a corrosive action on metals, and the ability to turn certain blue vegetable dyes red 酸是一种化合物,它在溶于水时具有强烈的气味和对金属的腐蚀性,并且能够使某些蓝色植物染料变红。
10 . Long before children are able to speak or understand a language, they communicate through facial expressions and by making noises 儿童在能说或能听懂语言之前,很久就会通过面部表情和靠发出噪声来与人交流了。
1 . One of the wildest and most inaccessible parts of the United States is the Everglades where wildlife is abundant and largely protected Everglades是美国境内最为荒凉和人迹罕至的地区之一,此处有大量的野生动植物而且大多受(法律保护。
2 . Children with parents whose guidance is firm, consistent, and rational are inclined to possess high levels of self-confidence 父母的教导如果坚定,始终如一和理性,孩子就有可能充满自信。
3 . give up 放弃;把…送交;使埋头于…
4 . by the time + 过去时间;过去时间 + before
5 . 我们上数学和科学课。Wehavemathandscience
6 . if we can not take useful means, we may not control this trend, and someundesirable result may come out unexpectedly, so what we should do is_____
7 . 如今,(人口过剩已成为我们不得不面对的问题了
8 . blow up 告吹;发脾气;(风雨)等发生
9 . Taking all these factors into consideration, we naturally come to the conclusion that…
10 . By the time he was , he had learned words
1 . Because of its irritating effect on humans, the use of phenol as a general antiseptic has been largely discontinued 由于苯酚对人体带有刺激性作用,它基本上已不再被当作常用的防腐剂了。
2 . absent from不在,缺席
3 . i sincerely believe that …我真诚地相信……
4 . All in all, we cannot live without … But at the same time we must try to find out new ways to cope with the problems that would arise
5 . 我看电视做作业。IwatchTVanddohomework
6 . Quails typically have short rounded wings that enable them to spring into full flight instantly when disturbed in their hiding places 典型的鹌鹑都长有短而圆的翅膀,凭此他们可以在受惊时一跃而起,飞离它们的躲藏地。
7 . in a word 总之
8 . Thanks to modern irrigation, crops now grow abundantly in areas where once nothing but cacti and sagebrush could live 受当代灌溉(技术设施之赐,农作物在原来只有仙人掌和荞属科植物才能生存的地方旺盛的生长。
9 . Chinaisacountrywithalonghistory中国是历史悠久的国家。
10 . 十七岁时,他开始学习表演。(时间状语
1 . by the end of +过去时间 ; by + 过去时间
2 . account for 解释
3 . There is no doubt that (job-hopping has its drawbacks as well as merits
4 . Over a very large number of trials, the probability of an event’s occurring is equal to the probability that it will not occur 在大量的实验中,某一事件发生的几率等于它不发生的几率。
5 . 星期二你们上什么课?WhatdoyouhaveonTuesdays?
6 . He didn’t finish yesterday evening
7 . get up 起床;起立;(风浪火)大起来;打扮;安排;组织
8 . 她很安静吗?不是的。她很活跃的。Isshequiet?No,sheisn’tShe’sveryactive
9 . it is commonly believed that … / it is a common belief that … 人们一般认为……
10 . With modern offices becoming more mechanized, designers are attempting to personalize them with warmer, less severe interiors 随着现代办公室的日益自动化,设计师们正试图利用较为温暖而不太严肃的内部装饰来使其具有亲切感。
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