The score line of Qingdao senior high school entrance examination in 2022: language120; Mathematics 120; English120; Morality and rule of law 80 points; 80 points in history; Geography 80 points; Physics 100; 80 points in chemistry; 80 points for biology; 60 points for sports.
The scores of Chinese, mathematics and English (including oral English and listening) are presented in the form of scores, while the scores of other subjects or subject combinations are presented in the form of scores. Among them, morality and rule of law, history, physics, chemistry, sports and health subjects are the first combination, with a total score of 400 points; Geography and biology as the second combination, total score 160. The two combinations are divided into four grades: A, B, C and D. The scoring criteria are: taking the enrollment area of ordinary high schools as a unit, ranking the total scores of students taking the exam from high to low, and determining the grades according to the proportion of students taking the exam, with A accounting for 15%, B accounting for 30%, C accounting for 30% and D accounting for 25%.
Fine arts (music, fine arts), experimental operation (physics or chemistry, biology) and information technology subjects are divided into two grades: qualified and unqualified. Fine arts (music, fine arts) and information technology all take 60% of the total score as the qualified standard.
Experimental operation disciplines (physics or chemistry, biology) have both biological experimental operation qualifications and physical or chemical experimental operation qualifications. The scores of examination subjects are presented in the form of grades, which are divided into two grades: qualified and unqualified.
Difficulties: How to determine the point M? Because the side lengths of the left right-angled triangle are 3, 4 and 5 respective