内容正文:
(新教材)2020-2021学年下学期高一期末备考金卷
英 语
注意事项:
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第Ⅰ卷(选择题)
第一部分 阅读(共两节,满分50分)
第一节(共15小题;每小题2.5分,满分37.5分)
阅读下列短文,从每题所给的A、B、C、D四个选项中选出最佳选项。
A
Math holidays everyone should know
In recent years mathematicians and scientists have begun campaigns to mark certain dates in celebration of significant principles and here are a few to add to your calendar
Mole Day
Mole Day is celebrated yearly on Oct. 23 from 6: 02 a.m to 6: 02 p.m.. The idea of a celebratory day was put forward by a chemistry teacher in 1991 and has been honored every year since. It celebrates Avogadro's Number, which is a basic measuring unit in chemistry. Each Mole Day has a specific theme.
Pi Day
The granddaddy of mathematical and scientific holidays, however, falls every year on Mar. 14. The date, 3/14, represents the first three numerals in the calculation of pi, so the date is known annually as Pi Day.
Pi Day was founded in 1988 by a physicist. The observations spread to the point where on Mar. 12, 2009, the U.S. House of Representatives passed a resolution declaring Mar. 14 as National Pi Day.
Fibonacci Day
Nov. 23 marks Fibonacci Day, a special day that celebrates the man known as Fibonacci who developed a mathematical idea called the Fibonacci Sequence, in which every number is the sum of the previous two numbers. So, for example. 11/23 marks the day because 1+1 equals 2, and then 1+2 equals 3(the date being the 23rd).
Square Root Day
Square Root Day is a holiday that heartily honors those dates where the combination of day and month and year form square roots: e.g. 2/2/04 and 3/3/09. The last Square Root Day was 4/4/16. The holiday was created by a high school teacher Ron Gordon. Square Root Day has its own website where celebrants can gather before the next holiday.
1.How is Mole Day similar with Pi Day?
A.They