题型:判断题 阅读理解。 Come and see the Indian elephants and new tigers from America. The bears are waiting to meet you, and the monkeys from China are waiting to throw(扔) things at you . The lovely dogs from Australia are waiting to laugh at you. The giraffes from Zambia are waiting to look down on you.Tickets(票)Adults(成年人): $2.00Children: Over 12(12岁以上) :$1.00Under 12: free(免费)Opening time:9.00 a.m.---4.00 p.m.Except (除了) Friday 10.00 a.m.--- 3.00 p.m.Keep the zoo clean! Don't touch (触摸), give food or go near the animals!根据短文内容,选择正确答案。1. How many kinds of animals are talked about in the passage (文章)?A. Four B. Five C. Six D. Seven2. Now Mr. Smith is in the zoo with his two sons, one is 14 and the other is 10, how much are the tickets together?A. $4.00 B. $2.00 C. $3.00 D. $1.003. Which of the following is the visiting time?A. 3.00 p.m. Sunday. B. 9.30 a.m. Friday C. 8.00 a.m. Monday. D. 5.00p.m. Tuesday4. From the passage we can guess the animal "giraffe" must be very ______ .A. fat B. tall C. long D. ugly 5. We can ______ in the zoo.A. give some food to the fish. B. touch the monkeys C. throw things to the animals. D. take a few nice photos 查看答案
题型:判断题 铝制品在日常生活中应用广泛,但铝制品却不宜长时间盛放腌制食品。资料显示:“铝制品表面虽然有一层致密的氧化膜保护……氯化钠也会破坏氧化膜的结构,加速铝制品的腐蚀。”【提出问题】氯化钠溶液中的哪一种离子对氧化膜产生了破坏作用?【实验方案】【反思】针对实验3,莹莹认为还应增做一个对比实验,她的方案是向B试管中再加入Na2SO4溶液,结构无明显现象。该实验可这么溶液中对氧化膜不产生破坏作用的离子是________⑤_____。 查看答案