If you can't guarantee the correctness of the picture, you'd better use a 2B pencil. If you have any problems with pencil drawing, you can correct it. If you are sure that the painting is correct, you can draw it again with a pen. If you don't need to modify it, you can also use a pen directly.
Extended data:
The senior high school entrance examination must use the pen correctly;
With the development and progress of society, more and more areas have begun to implement online marking for senior high school entrance examination, so the requirements for using pens are more stringent. If you use the wrong pen, the notes will not be recognized by the scanner, resulting in extra points and the results will be counted as illegal cancellation. Before the exam, every candidate needs to find out the requirements of pens for the local senior high school entrance examination. Take Yancheng senior high school entrance examination 20 13 as an example.
Yancheng senior high school entrance examination 20 13 requires multiple-choice questions to be filled in with 2B pencils. Candidates must polish their eyes before the exam. Never choose a fake pen and regret it for life. Don't be greedy and cheap. Choose a reputable large store to buy, prepare more, and ensure absolute safety.
Special reminder: Every year in the senior high school entrance examination, candidates will mistakenly fill in HB pencils as 2B pencils. Once this happens, there are usually remedial measures, but there are still huge risks. Every candidate should not joke about his future.
When answering questions on the answer sheet, be sure to buy a 0.5mm black pen. If you use the wrong model or even the wrong color, the test paper may be invalidated.
Because drawing questions are also marked online, traditional 2B pencils may be too light to mark. Yancheng senior high school entrance examination in 20 13 requires a pencil to draw a sketch on the answer sheet first, and then outline it with a 0.5mm black pen-and-ink drawing under the condition that the answer is not revised, so as to ensure the smooth marking.
Baidu encyclopedia-junior high school academic level exam