题目

自然界中某种因素的变化会引起其他一系列因素变化，如青藏高原积雪面积减少会引起该地域自然环境的连锁变化。这种变化包括                                 (    ) ①羊八井地热温度升高②地表温度年变化增大 ③山地针叶林带的海拔高度降低 ④风化导致岩崩现象加剧 A．①②B．②③  C. ②④D.③④Welcome to the official website for First News     First News is a weekly newspaper for young people (aged 7-14) ，which comes out in a traditional,lively,full color newspaper style. First News,with over 1 million readers each week,opens children's minds to the issues (问题) of today,taking them to the world around them.    Nowhere else can you find all the important stories in a child-friendly way—in the way the children reader will grow up to be the country's great communicators (交流者) .   Try First News today and get：    First News mailed each week direct to your door. Free post. Easy articles in a child-friendly design. A great teaching resource (资源). Games,competitions and much more!. £34. 99 for six months and only £58. 99 for a year. 1. How often does First News come out?   A. Every day.    B. Every week.   C. Every month.    D. Every year.2. Who like reading First News'？   A. The parents.   B. The grown-ups.   C. The teachers.   D. The young people.3. Mr Smith ordered 6-month First News for his son and one-year First News for his daughter. How much did he pay?   A. £34. 99.   B. £58. 99.    C. £93. 98.   D. £117. 98. 4. Which of the following is NOT true according to the passage?   A. It is helpful for children's study.   B. There are many interesting games in First News.   C. First News ever won two awards.   D. You need to go to the post office to get your First News.5. Where can we probably read the passage?   A. In a magazine.        B. In the newspaper.   C. On an advertisement.    D. On the Internet.