Psychologically there are two dangers to be guarded against in old age. One of these is due absorption in the past. It does not __1__ work to live in memories, in regrets for the good old days, or in __2__ sadness about friends who are dead. One's thoughts must be directed to the future, and to things which there is something to be done. __3__ This is not always easy; one's own past is a gradually increasing weight. It is easy to think for oneself that ont's emotions __4__ are used to be more vivid than they are, and one's mind more __5__ keen. If this is true it should be forgotten, and if it is forgotten it will probably not be true.
The other thing to be avoided is clinging to youth in hope of __6__ sucking vigour from its vitality. When your children are growing up __7__ they want to live their own lives, and if you continue to be as interested in them as you were when they were young, you are likely to become a burden to them, except they are unusually callous. I do not __8__ mean that one should be without interest in them, but one's interest should be contemplatory and, if possible, philanthropic, but not __9__ unduly emotional. Animals become indifferent to their young as soon as their young can look after themselves, but human beings, owing to the length of infantry, find this difficult. __10__
答案：
1.due-undue。如果是due absoption，就没有必要说two dangers to guarded against，所以这里犯了语义颠倒的错误。
2.work-do。work在这里用得不好，应该为do，表示“能……”，work往往表示“行不行得通”，如：It does not work to employ two people. We need at least 5.
3.^which-about。这里缺少了介词about，使先行词things 和something to be done无法连接。
4.for-to。to think for oneself表示“为自己着想”，这这里显然不是这个意思，应改为to oneself 表示“自己想……”，类似于to say to oneself。
5.are（used）-/。be used to 表示“习惯于……”，而这里的意思是“过去曾经……”，所以应改为used to do。
6.^hope-the。词组in the hope of 或 in hopes of 表示“怀着……的希望”。
7.growing-grown。be growing up 表示“在成长的过程中”，而这里表示的是“当孩子们长大以后……”，所以应改为are grown up。
8.except-unless。except表示“除了……之外”，在意思上不贴切，应改为unless表示“除非……”。
9.contemplatory-contemplative。没有contemplatory这个词，有的是contemplative，表示“沉思的，冥想的”
10.infantry-infancy。infantry表示“步兵，步兵团”，应该为infancy，表示“幼年”。
责任编辑：wangpeng6151
