题目

“庄稼一枝花，全靠肥当家”，此处的“肥”主要是指A. 有机物 B. 水 C. 无机盐 D. 氧气 答案：【答案】C【解析】试题植物的生长需要多种无机盐．植物需要量最大的无机盐是含氮、含磷、含钾的无机盐．氮肥作用：促使作物的茎，叶生长茂盛，叶色浓绿；钾肥的作用：促使作物生长健壮，茎秆粗硬，增强病虫害和倒伏的抵抗能力；促进糖分和淀粉的生成；磷肥的作用：促使作物根系发达，增强 Whenever there’s a terrible storm,there are plenty of sad stories. Many people lost their houses,their cars and their pets.  But sometimes these stories have happy endings too.A family in New Jersey,US，had a cat named Vivien. She is very smart. She could even draw with her wet paws on the floor. They all love her very much. When hurricane (照风) Sandy hit America in October,they moved to a safer place 13 km away from home. Sadly Vivien went missing.The whole family were worried about her. They put up posters on the Internet to look for her. All the nine family members searched wherever they thought she could stay,but they didn’t find it. The family thought Vivien was gone forever.But six months later,Vivien showed up at their house,according to Yahoo News. They considered her return as a wonder. No one can be sure where Vivien was for all that time.Many animals are good at finding their way home. People usually say that dogs and cats find their way home through using their sense of smell.But that doesn't explain how Vivien found her way back. Hurricane Sandy blew away the normal smells of home.“I wish she could talk,” said her owner.(   ) 1.  From the passage we know Sandy is a           .   A. pet   B. hurricane   C. girl(   ) 2. The cat was missing for          .   A. 6 months   B. 9 months   C. 13 months(   ) 3.  Which of the following is NOT true?   A. Vivien could even draw.   B. The family tried hard to look for the pet.   C. The owner knew how the cat found her way home.(   ) 4.  What can be the best title (标题) for the passage?   A. A Terrible Storm   B. A Clever Pet   C. A Smart Owner