题目

研究小组为探究大豆种子发芽过程中一些化合物含量的变化，得到了如图所示结果：（1）大豆种子萌发过程中自由水与结合水的比值________（填“增加”或“下降”），细胞内水分的主要作用有_____________________________（至少写出两点）。（2）为了检测大豆籽粒发芽过程中蛋白质（肽类）含量变化，研究小组将双缩脲试剂A液和B液混合加入不同发芽阶段大豆提取液，并用60 ℃水浴加热，最后比较颜色变化。上述实验中存在两处错误操作，请找出并更正：_ Where is your home? Home can be just the building where you sleep at night. Or, it can be the place where you feel loved and safe.Do Ho Suh is an artist. He was born in South Korea in Asia. His new exhibition is about home and how people feel about it. It is called "Almost Home." The inspiration for his series of homes camefrom when he moved to New York after college. You can see it at the Smithsonian American Art Museum. The museum is in Washington, D.C.The exhibition has three houses. Each is made of colored fabric (织物). They are connected. Suhcalls them hubs. Visitors are able to walk through them. Each hub shows one of Suh's homes. Theblue hub is his home in South Korea. He lived there as a child. The pink hub is his apartment inNew York City. The green hub is his home in Berlin, Germany. For Suh, blue means sadness. Hesaid he felt sad when he lived in Seoul. The hubs are connected together. They are sewn (缝) in theold Korean way. Suh calls them "suitcase homes." They do not weigh much. This way they can bemoved from museum to museum. With the suitcase homes, Suh can carry his home with him. Hesaid he is like a snail. The snail carries its home on its back. He feels all his homes carry his oldmemories.Immigrants are people who move from one country to another. Suh is also an immigrant. In a way,we are all immigrants. We all move from place to place.Suh wondered how other people feel about home. For some people, it is just a place. For others, itis a feeling. His art has a purpose. It shows how he felt moving from country to country. In someplaces, he felt good. He felt protected, comfortable and free. In other places, he felt like a stranger,Suh said.Maybe you still live in your first home. Still, Suh's exhibition will make you think about your feelings about it. Sometimes your memories of these details can be a home worth visiting.【1】Which of the following is TRUE about Do Ho Suh?A.He is good at Korean sewing method.B.He made his house in Berlin blue.C.He got this new idea before college.D.His exhibition is about home and feelings.【2】In the third paragraph, which of the following is NOT mentioned?A.The colors of Suh’s houses.B.The cost of his fabric houses.C.The places where Suh lived.D.How Suh’s houses were made.【3】How did he feel when he moved from country to country?A.He never felt at home anywhere he went.B.He felt different in each place he went.C.He felt happiest when he left SeoulD.He felt happy in every home he had.【4】According to the passage, what is the purpose of Suh's exhibition?A.Do Ho Suh wants to help people build houses like his model ones.B.Suh wants to show his feelings about home when moving place to place.C.Do Ho Suh hopes other people all have the same feelings as him.D.Suh wants to show poeple that fabric is a good material to build houses.【5】What can we learn from this passage?A.The inspiration for this exhibition was from his experience.B.Immigrants like to move among different countries.C.Home is the place where you feel loved and safe.D.Those who still live in their first homes do not hold memories.