题目内容
【题目】年龄中位数是将区域全体人口按年龄大小排列，位于中点的那个人的年龄。年龄在这个人以上的人数和以下的人数相等。完成下列问题。
地域 | 全世界 | 日本 | 法国 | 美国 | 中国 | 巴西 | 印度 |
年龄中位数 | 28．4 | 44．7 | 39．9 | 36．9 | 34．5 | 29．1 | 25．1 |
【1】年龄中位数不断增大，能反映人口总体逐渐老龄化。上表列出了世界和部分国家的年龄中位数（2010年），从表中可以得出的结论是（ ）
A．美国的年龄中位数居世界第三
B．中国的年龄中位数明显高于印度是因为经济发展速度快
C．吸纳发展中国家移民能增大发达国家家的年龄中位数
D．年龄中位数与国家的人口自然增长率密切相关
【2】我国各地区的年龄中位数不同，年龄中位数东部大于西部的主要因素是东部地区（ ）
A．自然环境优越 B．大量人口的迁入
C．自然增长率高 D．经济发展水平高
【答案】
【1】D
【2】D
【解析】
试题分析：
优质课堂快乐成长系列答案【题目】阅读理解。
A Language Programme for Teenagers
Welcome to Teenagers Abroad! We invite you to join us on an amazing journey of language learning.
Our Courses
Regardless of your choice of course, you’ll develop your language ability both quickly and effectively.
Our Standard Course guarantees a significant increase in your confidence in a foreign language, with focused teaching in all 4 skill areas----speaking, listening, reading and writing.
Our Intensive Course builds on our Standard Course, with 10 additional lessons per week, guaranteeing the fastest possible language learning (see table below).
Course Type | Days | Number of Lesson | Course Timetable |
Standard Course | Mon－Ｆｒｉ | ２０ ｌｅｓｓｏｎｓ | ９：００－１２：３０ |
Intensive Course | Mon－Ｆｒｉ | ２０ ｌｅｓｓｏｎｓ | ９：００－１２：３０ |
１０ ｌｅｓｓｏｎｓ | １３：００－１４：３０ |
Ｅｖａｌｕａｔｉｏｎ
Ｓｔｕｄｅｎｔｓ ａｒｅ placed into classes according to their current language skills. The majority of them take on online language test before starting their programme. However, if this is not available, students sit the exam on the first Monday of their course.
Learning materials are provided to students throughout their course, and there will never be more than 15 participants in each class.
Arrivals and Transfer
Our programme offers the full package—students are take good care of from the start through to the very end. They are collected from the airport upon arrival and brought to their accommodation in comfort. We require the student’s full details at least 4 weeks in advance.
Meals/Allergies(过敏)/Special Dietary Requirements
Students are provided with breakfast, dinner and either a cooked or packed lunch(which consists of a sandwich, a drink and a dessert). Snacks outside of mealtimes may be purchased by the student individually.
We ask that you let us know of any allergies or dietary requirements as well as information about any medicines you take. Depending on the type of allergies and/ or dietary requirements, an extra charge may be made for providing special food.
【1】How does Intensive Course differ from Standard Course?
A. It is less effective.
B. It focuses on speaking.
C. It includes extra lessons.
D. It give you confidence
【2】When can a student attend Standard Course?
A. 13:00-14:30 Monday.
B. 9:00-12:30 Tuesday
C. 13:00-14:30 Friday.
D. 9:00-12:30 Saturday.
【3】Before starting their programme, students are expected to _____.
A. take a language test
B. have an online interview
C. prepare learning materials
D. report their language levels
【4】With the full package, the programme organizer is supposed to_____.
A. inform students of their full flight details
B. look after students throughout the programme
C. offer students free sightseeing trips
D. collect students’ luggage in advance
【5】Which of the following may require an extra payment?
A. Cooked dinner.
B. Mealtime dessert.
C. Packed lunch.
D. Special diet.