a. 不正确的【法】 不正确, 错误的, 不适当的

correct/correction/incorrect/direct/direction/indirect/rectangle
记忆：词根rect [ 5rektE]含义是“正，直”
1． cor是con的变体，correct [ kE5rekt] adj. 正确的 vt. 纠正 You should correct the mistakes in your writing.你应纠正你写作中的错误。
2． correction [ kE5rekFEn] n. 纠正 The correction is necessary for our development.在我们的发展过程中纠正错误是必不可少的。
3． incorrect [ 7inkE5rekt ] in-correct adj. 不正确的 I’m sorry your answer is incorrect.恐怕你的答案并不正确。
4． direct [ di5rekt, dai5rekt ] di-rect vt. 指导（让做正确），指点 adj. 直接的 Who directs the firm these days?现在谁当导演？
5． direction [ di5rekFEn, dai5rekFEn ] n. 方向，指导 The travelers come in all directions.旅客来自四面八方。
6． director [ di5rektE, dai5rektE ] n. 主任, 主管, 导演 Mr. Zhang Yimou has set up his status as a successful director.张艺谋先生作为一名成功的导演已确立了他的地位。
7． indirect [ 7indi5rekt, indai5rekt] adj. 间接的 The teacher just gave us an indirect answer.老师只是给了我们一个间接的回答。
8． rectangle [ 5rektAN^l ] rect-angle(角) n. 正方形（四个角都是直角） Can you draw a rectangle with one hand and a circle with the other?你能一手画方一手画圆吗？
另类阅读：
After the boy corrected the rectangle he drew, the teacher saw no incorrect lines. She praised him and gave him more directions.