There's no place in the world like Venice, Italy. Situated in the Adratic Sea ,the city of Water is made up of 118 tiny islands. However, it____ (be) in danger of sinking now. Because____city was built on soft soil, it has been sinking under the pressure of its own weight. Scientists say that Venice sinks____ a rate of nearly two inches every 100 years. Mean while, rising sea levels could make Venice go under even faster. Earth's temperature is slowly increasing,____ is causing sea ice to melt and makes the world's waters rise.

    Experts____(rush) to save Venice now because of its rich culture. ¨Many famous artists and opera singers have come from Venice. Some of the world's greatest____(paint) can be found on the city's museum walls," explains Melissa Conn.

    ____(keep) the city afloat, experts want to pump about 40 billion gallons of sea water beneath Venice. While scientists work to get their plan  ____(approve), people in Venice live their normal life. When the tide rolls in the locals have ways of keeping everyone dry. Café owners move tables to____(high) ground, and hotels pass out high boots to guests.____ ( fortune) ,dealing with the rising water does not make the natives discouraged.

如图表示重庆附近长江某水文站的气温、降水状况及该江段补给类型，读后回答下题：

将一个三角形放在太阳光下，它所形成的投影是____ ．

某班开展了“游在津沽”综合性学习活动，下面是某同学为活动搜集的四则材料。请你按照要求，回答下列各题。

【材料一】近年来，天津市旅游业在持续发展中日益凸显“文化旅游”的品牌效应。“老城津韵”“杨柳古镇”“溥仪旧居”“津卫摇篮”“大沽烟云”等八条独具津门文化特色的游览线路，吸引力海内外的大量游客。

【材料二】天津市的旅游业发展迅猛，在国内外的知名度连年提高。“海河风光游”“游览‘五大道’”“全景式乡村游”“滨海旅游黄金100天”等特色项目的开发，进一步提升了天津的旅游形象。

【材料三】根据国家旅游局的统计，2015年中国公民出境旅游1．2亿人次，旅游消费1045亿美元，同比分别增长12%和16．7%。在全球经济普遍不景气的背景下，这一数字更具震撼性。

【材料四】天津市近三年入境游客数量和外汇收入统计表