What are the key points and difficulties in teaching this course?
Reference answer
Key points: the use of the imitation stamp tool and the gradient tool.
Difficulty: By imitating the skill of using the stamp tool, you can distinguish the time of pressing and popping Alt.
the second question
What are the teaching methods commonly used in information technology courses? What kinds did you use in this class?
Reference answer
Common teaching methods include lecture, case analysis, situational cultivation, demonstration, task-driven and cooperative learning.
I use the task-driven method in this class. Ask the students to analyze the differences between the two pictures and want to make a picture with the same effect. In addition, this section leads to the task. In the process of completing the task, the imitation stamp tool and gradual change tool are also used in cooperative learning to guide students to discuss, use and summarize in groups, which can exercise students' cooperative learning ability.
Third question
How to embody students' dominant position?
Reference answer
The educational concept of the new curriculum standard holds that students are the main body of the classroom and teachers are the organizers and guides of the classroom. I think that students as the main body can design the classroom according to the actual situation of students, which can make the learning effect get twice the result with half the effort, so I designed it in the classroom like this:
Teachers can start from what students like, stimulate students' interest in learning, and give full play to students' main role. The change of learning style is a remarkable feature of classroom reform. Traditional learning places too much emphasis on acceptance and mastery, ignoring discovery and inquiry, and learning becomes a purely passive process of acceptance and memory, which inhibits people's thinking and intelligence, and inhibits people's interest and enthusiasm in learning. The modern view of learning holds that learning is not an external control from outside, but an internal spiritual liberation movement. Therefore, in teaching, teachers appear as organizers, collaborators and guides, provide materials, use a series of activities to make students learn and explore independently, let students experience the process, highlight cognitive activities such as discovery and exploration, and make the learning process more like discovering, analyzing and solving problems.
The best way to learn knowledge is to let students discover and explore it themselves, because only through the knowledge discovered by students themselves can students understand it most profoundly. For abstract problems, it is best for junior students to feel by experience. Only through profound experience can students understand and finally precipitate into their own hearts. In teaching, teachers create activity situations for students to experience, and the experience activities enter the thinking stage, and students take the initiative to guess various phenomena. At this time, the students cheered for the correctness of their inference. In this way, students devote themselves wholeheartedly, and under the guidance of teachers, they have experienced the process of "guessing-experiencing-inferring-verifying" many times, which is the process of students' own experience, self-discovery and independent inquiry.
The fourth question
What tools are used to make gradient colors, and what are the key points of operation?
Reference answer
Use the magic wand tool and gradient tool. The main point is to select the gradient tool first, and then select the selection. After the foreground color and background color are determined, the order of the mouse should be changed accordingly. For example, if the foreground color is blue and the background color is white, then if you want blue on it, you must slide the mouse from top to bottom.
The fifth question
Please give examples of commonly used regional selection tools and explain their scope of application.
Reference answer
Selection tool, magic wand tool, magnetic lasso tool. The selection tool is suitable for regular graphics, and the magic wand can select areas with similar pixels at one time, and the shape of the selected areas is uncontrollable. The magnetic lasso tool can define the edge of the selection by itself, and its advantage is that it can select the edge accurately when it is automatically selected.
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