题目

已知：氯化银(白色)、碳酸银(白色)、碳酸钙(白色)、氢氧化铜(蓝色)都难溶于水。下列溶液分别跟氯化铜溶液、稀盐酸、碳酸钠溶液反应，并产生不同现象的是A．NaOH         B．硫酸                C．AgNO3        D．Ca(OH)2  答案：D解析:略 VISIT FOREST ZOOCome and see the Indian elephants and the new tigers form Northeast of China. The beautiful birds from England are ready to sing songs for you, and the monkeys from Mount Emei will be happy to talk to you. The lovely dogs from Australia want to laugh at you. Sichuan pandas will play balls for you. The giraffes from Africa are waiting to look down on you. Keep the zoo clean. Do not touch, feed or go near to the animals.1.How many kinds of animals are mentioned(提及) in the passage?A. Three. B. Four. C. Five. D. Seven.2. Where are the pandas from?A. India. B. China.C. Africa. D. Australia.3.From the passage we can infer(推断) that a giraffe _____.A. isn’t polite and friendlyB. like to stand on a high placeC. has a long neck(颈、脖子)D. looks at us proudly4. What can we do in the zoo?A. To watch the animals do all kinds of things.B. To give the animals something to eat.C. To touch the animals you like.D. To go near to the animals.5. What kind of things can the birds do from the passage?A. Talk to you. B. Sing songs.C. Laugh at you. D. Play balls.