89-九年级一模考试物理试卷 09.04.28（国外英文资料）.doc

89-九年级一模考试物理试卷 09.04.28（国外英文资料） The 9th grade test physics paper 09.04.28 (full marks: 100 minutes of test time) qid The second three Total score Integral people Nuclear points people 13-22 23 to 25 26 to 30 31 32 33 score The first Ⅰ (choice a total of 24 points) A, multiple choice questions (2 points per question, a total of 24 points, each item in the given four options, there is only one option, right column in the sheet to match the option letter of idea will label with black) 1. The fable the tortoise and the hare, said the rabbit look down upon the tortoise. After they start from the same place at the same time, the way a rabbit sleep and wake to find that the tortoise has reached the end. The entire race A. the rabbit always runs slower than the tortoise. The tortoise always runs slower than the hare C. the race takes the same amount of time compared to the distance Ethereal fog, glittering dew, heavy frost, gentle snow, the same water molecules, decked out in our time and space. This is a lyric poem describing physical phenomena. The following reasons for the formation of the physical phenomena described in this poem are correct A. the mist is vaporized and the crystal dew is A liquefaction phenomenon The heavy frost is the coagulation phenomenon d. soft snow is a melting phenomenon Figure 1 is a picture of the five pavilions of the lake in yangzhou A. light refraction b. light reflection C. light diffusing D. Light diffusing In the following practice, it is the reduction of friction A. the soles and tires are made of uneven patterns When the bicycle brake, the brake skin is pressed on the steel ring The rolling bearings are mounted and lubricated in the rotating part of the machine D. The powdered magnesium powder on the hand before the gymnasts 5. As shown in figure 2 is a diver springboard diving, since athletes vacated jump up and down fell into the water, excluding air resistance, throughout the process A. the kinetic energy of the athlete has been inc