Language (m1u2 sentence pattern conversion)
（1）they always walk to school together.
=they always go to school on foot.
（2）friends of the earth look after the environment.
=friends of the earth take care of the environment.
Language (1 text)
Chen Taiqiu and Youzhi Xing- "The New Language of the World. Founder》
Chen Taiqiu and your friends are in the middle of the period. Too much to go, too hilly to go, even after going. Yuan Fang was seven years old at the time, and he played outside the door. The guest asked Yuanfang, "Is the Emperor here?" He replied, "If you don't arrive for a long time, you're gone." The friend then angrily exclaimed, "Inhuman! Go with the people and go away. Yuan Fang said: "The jun and the family are in the middle of the day." If the day does not come, it is faithless; it is rude to curse the Father to the Son. Friend shame, get out of the car to lead it. Yuanfang entry disregards.
(1) Chen Taiqiu: refers to Chen Yi , the character Zhonggong , a native of Xu County, Yingchuan, Eastern Han Dynasty , who served as the chief of Taiqiu. Taiqiu, the name of the county.
(2) Period: Meet and go hand in hand. Period: Agreed.
(3) Abandonment: Leaving (him) and leaving. Go: Leave.
(4) Yuan Fang: refers to Chen Ji, the character Yuan Fang, the eldest son of Chen Yi.
(5) Is zunjun in it: Is Ling zun in or not there? Honorific: An honorific title for someone else's father. No: Same as no.
(6) Leave me alone: Leave me behind. Phase: Indicates that the action is partial to one side. COMMITTEE: Discarded.
(7) Quote: pull, pull.
(8) Gu: Look back.
Translation: Chen Taiqiu and a friend met and agreed to meet at noon (to meet). After noon (friend) has not yet arrived, Chen Taiqiu will no longer wait for him and leave, (Chen Taiqiu) will not arrive until after (friend) leaves. Chen Yuanfang was only seven years old at the time and was playing outside his home. The guest asked him: Is your father here? He replied: (My father) waited for a long time but did not wait for you, and has already left. When the friend heard this, he said angrily: It is really not the work of a gentleman, and he meets with others, but he leaves others and leaves first. Yuan Fang said: You and my father are about noon, and you did not arrive at noon, which is not trustworthy; it is rude to scold his father to the child. Taiqiu's friend felt ashamed and got out of the car to try to pull Yuanfang's hand, but Yuanfang walked into the house without turning back.
Mathematics (Olympiad applied three times a day)
(1) The sum of 5 consecutive even numbers is 320, how many of these 5 numbers are? Is the sum of 5 consecutive odd numbers possible to be 320?
(2) A two-digit number, the number on the ten digits is 2 larger than the number on the digit, and can be divisible by 5, to meet the conditions of the two digits.
(3) How much more 65431 must be increased to be divisible by 2? How much more to be divisible by 3? How much more to be divisible by 5? How much more to be divisible by 9? How much more to be divisible by 10?
Answer: (1) 60, 62, 64, 66, 68; Impossible (resolution: 320/5 = 64, so 5 consecutive even numbers are 60, 62, 64, 66, 68; because the sum of odd numbers must be odd, the sum of 5 odd numbers cannot be 320)
(2) 75 or 20 (parsing: Because this two-digit number can be divisible by 5, first determine that the number on the individual bit is 0 or 5, and then determine the number on the ten digits)
（3）1；2；4；8；9
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