眾所周知，公共英語二級的`寫作分為兩個部分，一是短文改錯，一是書面表達。下面，小編為大家送上一份公共英語二級短文改錯模擬練習題，供大家使用。
短文改錯
此題要求改正所給短文中的錯誤。對標有題號的每一行作出判斷：如無錯誤，在該行右邊橫線上畫一個勾(√); 如有錯誤(每行只有一個錯誤)， 則按下列情況改正：
多一個詞： 把多餘的詞用斜線()劃掉， 在該行右邊橫線上寫出該詞，並也用斜線劃掉。
缺一個詞： 在缺詞處加一個漏字元號(∧)，在該行右邊橫線上寫出該加的詞。
錯一個詞： 在錯的詞下劃一橫線，在該行右邊橫線上寫出改正後的詞。
注意： 原行沒有錯的不要改。
Early men did not have clocks. They were told time by the 56. _________
sun and shadows of trees. at first time， they used 57. _________
sticks placing in the ground instead of trees. They made 58. _________
marks in the ground， and she shadows from the sticks told 59. _________
the time of day. Later， men began to use sundials. Some of 60. _________
sundials were boxes with sticks cast a shadow. Men were 61. _________
able to take the sundial box with them. The mark for noon 62. _________
was very important. The sundials always have to face the same 63. _________
way or the time was wrong. sundials were good only on sunny 64. _________
days， not on cloud days. They were the first kind of clock. 65. _________
參考答案：
56. 去掉 were
57. 去掉 time
58. placing → placed
59. in → on 60. some of → some
61. sticks → stick to
62. take → carry
63. have → had
64. √
65. cloud → cloudy
