55. on condition that 虚拟语气(无should)
56. as if /as though 表示虚拟语气,不能与as 对换. t180
57. mistake x for y t150
58. eat 为级物动词t151
59. with 与have 表示表示拥有 (possess)t158,t165
60. underlie- underlay-underlain
t11. rate 表示prices charged 的时候用rates for sth. 的结构 t13. eg. soaring rates for liability insurance.
61. estimate sth. to be…years old t14.
63. distinguish between x and y. t15
64. without doing sth/ sth. 不要在without 与doing之间加任何东西t 15
65 attribute sth. to sth.
66. be known to do sth. t49, 又如i have known him to run faster than that…
67. be difficult to do sth, t26, t103, 不能够说sb. is difficult.
68. in the coming month 而非into如 the economy will continue to expand in the coming month. t28
69. no less… than,而非none the less..than, 也非no less…as t30
70. admit to sth.承认. t31
72. a method of doing sth 而非to do/doing sth., t39
73. worry about sth.
74. range from sth. to sth. or a wide range of sth. t58 / t77
. density 是一个population 的特征,而非一个个体的属性,且与great 连用. t161
75. provided (that) 假若.
you may keep the book a further week provided (that) no one else requires it.
76. it is better to use the singular in referring to an anatomical feature common to an entire species. t176
as a result of the ground-breaking work of barbara mcclintock, many scientists now believe that all of the information encoded in 50.000 to 100.000 of the different genes found in a human cell are contained in merely three percent of the cell’s dna.
(a) 50,000 to 100,000 of the different genes found in a human cell are contained in merely
(b) 50,000 to 100,000 of the human cell’s different genes are contained in a mere
(c) the 50,000 to 100,000 different genes found in human cells are contained in merely
(d) 50,000 to 100,000 of human cells’ different genes is contained in merely
(e) the 50,000 to 100,000 different genes found in a human cell is contained in a mere
77. persuade sb. to do sth t177
78. the same year that t174
79. x is why … (错),x is the reason why …罗索 t177
80. help to do sth. t177
81. instead of doing sth.
82. target at sb. (非to ) t195
83. research to do sth. t112
84. damage作为名词的时候,用法为damage to sth. ;有些题目中把damage作为名词使用,往往缺少介词to,结果就未能表示一个事物毁坏了另外一个事物的意义, t125ce。
85. necessity of , t242
其他
1. 原文的语气不要轻易改变, 如原文表示让步的语气(however=no matter how…t10)/表示强调(如倒装某部分以示强调, t10; 如双重否定以示强调t51)等.
2.根据主动与被动语态来选择答案的话是一个很弱的条件,一般应首先考虑语法、结构、句意等。t61,t200
3. if the period of time covered began and ended in the past,the verb should be in the simple past tense. t203
4. 注意目的状语与原因状语、结果状语(so…that…与so as...to…的区别,t67; such…that…, t29; )不要搞混,for表示原因,to表示目的. t204.
5. 被动语态如有动作发出者,要明白从逻辑上说这是不是真正的动作发出者. t204-d
8. 注意限定性定语从句与非限定性定语从句的区别t234,t258, 介词短语相当于限定性定语从句 t141.
9. 情态动词can, may, would (表示虚拟) 等(t10, t152, t159),表示程度的副词just (t54,t60,t91)与some(大约,t29)等副词,不要随便添加和删除t25,t93, t159,t10. 但是如果前文已有类似词义的词出现,则要去掉该情态动词t237
10. populatio
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