题目

下列措施符合保护物种多样性原则的是 ( ) A．为美化城市环境，随意从国外引进多种观赏类植物 B．为保护草场、减少沙化，要杀死所有危害草原的黄鼠 C．将东北虎迁入野生动物园繁育，并进行部分的野外回归实验 D．为控制水葫芦在我国造成的严重灾害，应将其天敌引入我国   答案：C本题考查生物多样性及其保护措施。生物多样性面临威胁的原因之一是外来物种的入侵或引种到缺少天敌的地区。从国外引进的观赏类植物一旦流入自然生态系统，可能因缺少天敌而大量繁殖，造成严重灾害。水葫芦即是外来物种，因缺少天敌而大量繁殖，造成河道堵塞等危害，若将其天敌引入我国，The latest, the fullest!Cooks WantedAre you good at cooking? Can you cook healthy food for the old? Can you get on well with them? Can you work 6 days a week? Yes? Then please call 87230033 or e-mail us at Sunshine Old People’s Home @sina.com. We need your help!Room to RentA room with a single bed, a desk and a chair. Near Baicao Road Subway Station and a shopping center. 900 per month (including Wi-Fi). Non-smokers only. Call Mr. Bell at 87820662.Lost A small grey cat missing in Xinhua Bookstore on May 31st. She is afraid of dogs and there’s a ring around her neck. If you see her, please phone 87851117. I really miss her.Big Sale (From June 10th -18th)The Dragon Boat Festival is coming. Do you like Zongzi? We have different kinds of Zongzi for sale. Cheap and delicious. Zongzi with roses 3; Zongzi with meat 6; Zongzi with meat and eggs 8. Come and buy in Walmart Supermarket!【1】Miss Clark needs to rent a room. She’d better________.A. phone 87851117 B. call Mr. Bell at 87820662C. come to Walmart Supermarket D. call 87230033【2】The small grey cat got lost in ________.A. Xinhua Bookstore B. an Old People’s HomeC. Walmart Supermarket D. Baicao Road Subway Station【3】Which of the following sentences is CORRECT according to the text?A. Cooks who can cook for the children are wanted.B. The underlined word “She” refers to the cat owner.C. People who don’t smoke are welcomed to rent the room from Mr. Bell.D. You can buy cheap and delicious Zongzi on July 15th in Walmart Supermarket.【4】We should pay ________ for two Zongzi with roses and one with meat and eggs.A. 12 B. 14 C. 19 D. 20【5】Where can we most probably see this information?A. A guidebook B. A science magazineC. A government report D. A piece of newspaper