1. A small Xinhua dictionary, preferably the latest edition of the Commercial Press.
2. Mathematical tools: compasses, rulers, mechanical pencil, erasers, etc.
3.2B Pencil: It is used for exam cards and must be genuine.
4. More than seven soft-cover notebooks, taking class notes and sorting out wrong questions.
You can put a notebook in your pocket, make a memo, record your homework, the teacher's requirements, etc.
6. A number of post-it notes, preferably light-colored, unadorned and with horizontal lines, can be supplemented with notes or something.
7. Folder: It is convenient to organize scattered test papers and study plans according to subjects and chapters.
8. Transparent tape, glue stick, etc. , stick a broken book and open it at any time.
9. Block letter copybooks, preferably calligraphers', such as the basic strokes of Tian Yingzhang and Si Mayan.
10. A 0.5mm black gel pen must have a good feel and smooth water. You can use reliable brands, such as Chen Guang and hobbies, because this is the prescribed pen for the exam.
17( 1)
Because the lines intersecting the three planes are not parallel, it can be seen that the extension lines of the three intersecting line