The percent grade of a road, path, or train track is valuable information to have. Because of the loads that trucks and trains carry, and the forces involved in moving them, limits are placed on how steep roads and tracks can be.
Senior Megan Cover has been at the school since the first grade. “I'll graduate after working on this project, which is surely sad, but it's really rewarding and great to be a part of this project and do my bit. We're creating this educational space for many young kids,” Cover sa...
Sometimes, in architecture and building, we are given a percent grade representing a slope, and we want to convert it to degrees. We can do this using a handy formula involving the tangent inverse function.Answer and Explanation: A 4% grade in degrees is approximately 2.29°. In general, ...
—GRADE FOUR— TIME LIMIT: 135 MIN PART I DICTATION [15 MIN] Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings...
1、U1Part 1 Long Conversations(每小题:2分)Her first big art project in college.Her final grade in art.Her new college life.Her strong love for art.She has always been successful in art class.She drew wonderful pictures of a cat when young.She is already as mature as other university ...
D. going on diet is a safe way of losing weight Passage 4 Questions 16 to 20 are based on the following passage: I recently wrote an autobiography in which I recalled many old memories. One of them was from my school-days, when our ninth grade teacher, Miss Raber, would pick out wor...
Having a happy neighbor who lived next door increased an individual’s chance of being happy by thirty-four percent. The effects of friends’ happiness lasted for up to a year. The researchers found that happiness really is contagious(可蔓延的,传染的). Sadness also spread among friends, ...
The PSAT score you need to earn a National Merit Scholarship varies by state. Only your 11th-grade PSAT/NMSQT score can qualify you for National Merit scholarships. Your PSAT score is a good indicator of how well you will do on the SAT, so it’s important to understand PSAT scoring and...
8. What is the biggest advantage of the apartment? A. Its rent. B. Its location. C. Its decoration. 9. What suggestion does the woman give the man? A. Having a look at the apartment. B. Redecorating the apartment. C. Finding a roommate. ...
C Stay in the queue D. Take a seat. 听第6段材料,回答第6、7小题 6. What is this conversation mainly about? A. Medical examination. B Employee evaluation C A weekly report D An end-of-term paper 7. What would John probably do after this conversation?