下列地理事物是按由大到小包含关系排列的是（ ） A．川、渝、黔 B．第二级阶梯、 发布时间：2017-06-13 19:12 │ 来源：www.tikuol.com 题型：选择题 问题： 下列地理事物是按由大到小包含关系排列的是（ ）A．川、渝、黔B．第二级阶梯、宁夏平原C．暖温带、温带、亚热带D．湘江、长江、长江流域
题型：选择题 完形填空。 My family and I went to Sydney on holiday last year. It was such a 1 trip that I didn't want to come back. I realized I arrived at the place I had always been 2 when the plane landed at the airport in Sydney. After I got off the plane,I was 3 at the beautiful views (景色) in front of me. The city was more beautiful than what I had 4 I heard from one of my friends that the 5 in Australia was different from that in China. That was true. It was December,but it was very 6 We went to the beach and played beach volleyball there. We also 7 the Sydney Opera House. It was the most interesting building I had 8 seen. The food in Sydney was delicious,too. We 9 five days in the city and took lots of photos of it. On the sixth day, we went to a sheep farm and had a 10 day there. On the seventh day,we returned to China. We had a wonderful holiday in Sydney and it was really unforgettable (令人难忘的).( )1. A. tiring ( )2. A. looking at( )3. A. angry ( )4. A. forgotten ( )5. A. beach ( )6. A. hot ( )7. A. caught ( )8. A. ever ( )9. A. wasted ( )10. A. careful B. educational B. caring for B. surprised B. suggested B. weather B. snowy B. visited B. never B. took B. annoying C. terrible C. dreaming ofC. anxious C. expected C. food C. cold C. challenged C. hardly C. spent C. peaceful D. fascinating D. giving up D. nervous D. experienced D. people D. cloudy D. remembered D. Always D. missed D. Boring 查看答案
题型：选择题 压力容器的工作特性中，生产过程所涉及的介质品种繁多，分类方法也有多种，按( )分类，有可燃、易燃、惰性和助燃4种。A．物质状态B．化学特性C．对人类毒害程度D．对容器材料的腐蚀性 查看答案