高中英语外研版（2019）必修第二册Unit2 Lets celebrate-Presentingideas同步检测练（含答案和解析）.docxVIP

Unit 2 Lets celebrate ——Presenting ideas 一、短语填空 no less than,in one’s opinion,be keen on,eat out,prepare for,look forward to,feel like,rather than 1.He 　　　　　　　　　all kinds of new things and has a preference for computers.? 2.There are those who 　　　　　for a special occasion,or treat themselves.? 3.To some extent,Kunqu Opera plays a role in body building 　　　　　　　　　yoga and ballet.? 4.　　　　　　　　　,good health lies in regular exercise and positive attitudes.? 5.Would you 　　　　　　　　　coming along with us to the film tonight?? 二、阅读理解 Math Holidays Mole Day 　　Mole Day is celebrated annually on Oct. 23 from 6:02 am to 6:02 pm. It celebrates Avogadro’s Number(about 6.02×1023), which is a basic measuring unit in chemistry. The first Mole Day took place in 1991 and has been honored every year since. The concept of a celebratory day was created by Maurice Oehler,a retired high school chemistry teacher. It aims to develop interest in chemistry,encouraging schools around the globe to celebrate Mole Day with various activities related to chemistry. Fibonacci Day 　　Nov. 23 marks Fibonacci Day,a special day that celebrates the man known as Leonardo Fibonacci who developed a mathematical concept called the Fibonacci Sequence (斐波那契数列),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). It may be somewhat difficult to grasp,but the concept is not entirely theoretical. Square Root Day 　　Square Root Day is a holiday that occurs when the month and day are square roots of the last two numbers of the year:e.g. 2/2/2004 and 3/3/2009. The last Square Root Day was 4/4/2016 and the next one will be 5/5/2025. The holiday was created by a high school teacher Ron Gordon in Redwood City, California, who noticed that an upcoming date(9/9/1981)represented a square root. Pi Day 　　The granddaddy of mathematical and scientific holidays,however,falls every year on Mar. 14. The date,3/14,represent