英语竞赛智力!急25.there is a word of five letters from which you ca

英语竞赛智力!急
25.there is a word of five letters from which you can take two away and leave one.Do you knpw what it is?
26.a thing people always like borrowing but can never be lent.what is it?
27.why does an eighty-year-old woman look very beautiful?
28.sixteen is to fifteen as autumn is to______?
29why is Rome's traffic the most important?
30.which letter doesn't belong to the following series?
31.find a word which when placed in front of each of these words makes new words(seller,shop,shelf,worm mark)____(四个字母)
32.add two letters to each of the following words(except"a")to produce a phrase.
(on up a me )
33.how can you buy eggs and be certain there are no chickens inside them?
34.why is the A like a flower?
35.what has a river but no water,streets without houses,and roads without cars?
36.its first two letters stand for a man ,the first three for a woman.what is the word?
37.can you turn an odd number into even by removing one letter?
38.fill in the blanks with the names of a city and people in the same city.WHEN IN____,DO AS THE_____DO
39Lu xia would like to go to the Big Apple with her prants.what does "the Big Apple"mean in the setence?
40.what kind of dress do you have that you never wear?
41.what three letters turn a girl into a woman?
42.when can three big men go out under one little umberlla and not get wet?
43.why do we always go to bed?
44.a doctor gives you three pills telling you to take one every half hour.How many minutes would the pills last?
45.why is a room full married people empty?
46.aan ant wants to climb a wall of 10feet high.During the day it can climb 3feet,but at night it slides down 2feet,which means that the nest day it managed to advance only by one foot.How many days will it take for the ant to reach the top of the wall?
47what food stays hot no matter how it is?
48.if the res house is in front of the station,and the grey house is behind the station,where is the white house?
49from what number can you take half and leave nothing?
50.A teacher has three white and two black caps.he let three students close their eyes and put three caps on their heads.he hides the other two caps,then he asks them to open their eyes to judgr the colour of their own caps by watching the others'.after waiting for a moment one of them said his cap is white.according to this,we canjudge the colour of the three caps.what color should the two hidden caps be?

25.clone(克隆)
28.summer
29.Because "All roads lead to Rome"(条条大路通罗马).
31.book
42.because it's sunny.
……
同志,你这个题目太多了,我看不过来.
大部分以前做过的,但记不得了
建议你翻一翻竞赛书,上面题目竞赛书里有的.