【编者按】2012届的高三学生已经迈入的紧张的复习之中，为了帮助广大的考生同学们更好的复习英语，精品学习网特别整理了高中英语难点句型。供广大考生参考复习!
apply for 申请
apply one's minds to 专心于
appreciate doing 感激做……
as a matter of fact 实际上
as a result of 由于……
as if 似乎、好像(引导方式状语从句)
as long as 只要(引导条件状语从句)
as one body 像一个人一样
as soon as is necessary 如果可能的话尽快……
as soon as 一……就……(引导时间状语从句)
as though 似乎、好像
as well as ①和……一样 ②与……一样好
as well 也;一样
ask (that) sb. (should) do 要求某人应该做某事(虚拟语气)
ask for a leave 请假
ask sb. for advice 取得某人的建议
ask some questions of sb. 向某人提问(书面语)
at a distance 有一些距离、在远处
at a great depth 在很深处
at a loss 不知所措、困惑不解
at a low/high price 价格低(高)
at a low/high speed 速度很慢/快地……
at a mouthful 一口、满口
at a safe speed 以安全速度行驶
at a speed of 以……的速度行驶
at a time 一次;有时、曾经
at first blush 一瞥
at full speed 全速前进
at least 至少、最少
at least…if not more 如果不是更多，至少也……
at most 最多、至多
at one time 曾经、以前
at present 现在
at that very moment 就在那个时候
at the ball 在舞会上
at the beginning of 在……的开始
at the bottom of 在……的底部
at the cost of 以……为代价
at the crossing 在十字路口
at the invitation of sb. 应某人邀请
at the latest 最迟、最晚
at the most 最多
at the price of 以……为代价
at the risk of 冒着……的危险
at the same time 同时
at the sight of 看见
at the speed of 以……的速度
at the thought of 当……想到
at the top of the voice 用最高的声音
attempt to do 尝试去做、企图去做
attend to sth. 注意;对……关注
attitude to/towards sth. 对……的态度
attract one's attention 吸引某人注意力
back and forth 来来往往地、(前后)来回地
bark at (狗)向……叫
be (good) value for money ……值钱
be able to do 能够……、有能力……
be about to do when 就要做某事时，突然……
be about to do 准备做……(不接时间状语，表示
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