倍数增减的表示法

1) Force N1 _______________(比力N2的2.5倍)

2) This substance _______________(反应速度是另外那种物质的三倍).

3) The earth _______________(是月球大小的49倍).

4) The landlord _______________(想将租金提高三分之一).

5) They _______________(计划将投资增加一倍).

时态

1) Be quick, _______________(否则等我们到达教堂时婚礼就已经结束了).

2) When she got home, _______________(孩子们已经睡着了).

3) When I prepare for the college entrance examination, _______________(我姐姐将在海边度假).

4) I_______________(一上午都在修改我的简历).

5) Do you often go on holiday? _______________(不，我已经有五年没有度假了).

6) He joined the army in October, 2001. _______________(他参军已五年了).

倍数增减的表示法

1) is 2.5 times greater than Force N2 　　(考点：倍数 + 形容词/副词比较级 + than)

2) reacts three times as fast as the other one 　　(考点：倍数 + as + 形容词/副词 + as)

3) is 49 times the size of the moon 　　(考点：倍数 + 名词)

4) wants to raise the rent by a third 　　(考点：动词 + by + 数词/百分比/倍数)

5) plan to double their investment 　　(考点：double + 名词)

时态 　

1) or the wedding will have finished by the time we get to the church 　　(考点：将来完成时)

2) the children had fallen asleep 　　(考点：过去完成时)

3) my sister will be taking her vacation at the seaside 　　(考点：将来进行时)

4) have been revising my resume all the morning 　　(考点：现在完成进行时)

5) No. It has been five years since I went on holiday 　　(考点：It has been … since sb. did sth. 表示某人有多长时间没有做某事了)

6) He has been in the army for 5 years 　　(考点：1. 现在完成时;2.要用持续性动词才能接一段时间)