与APP改性沥青防水卷材比较,SBS改性沥青防水卷材具有_____性能。
A. 耐热性好,低温柔性差
B. 耐热性差,低温柔性好
C. 耐热性差,低温柔性差
D. 耐热性好,低温柔性好
查看答案
SBS是一种耐热性好,尤其低温柔性好的一种通过_____改性沥青。
A. 碳化
B. 氧化
C. 加入矿物
D. 高聚物
Nathan: Hello?Karen: Hi, Nathan.Nathan: Oh, hi, Karen.Karen: Guess 1 .Jason and Brad are 2 a party.Nathan: Oh, yeah? What’s the 3 ?Karen: It’s Jason’s first 4job. He’s Tasty Chicken.Nathan: You’re 5Karen: No, really. Let’s make something for the party.Nathan: Good idea.Karen: So, Nathan, can you stop 6 the supermarket on your way home? Can you 7 some things?Nathan: Well, I’m really very busy today.Karen: It’s only 8things. Can you buy some milk, 9 flour, and some eggs?Nathan: Okay.Karen: And a green pepper, some butter, some apples, four or five tomatoes, and…that’s all. Thanks, Nathan. You’re a sweetheart. See you tonight.Nathan: Yeah, at around midnight, I 10 .Karen: Oh, Nathan.
Dear MaryI have moved apartment! I am very happy with the apartment. It is lovely. The movewas 1 work, but John 2 me with the heavy stuff. We 3 the living room walls and the bathroom so they look great. I have 4a place for everything, and I have 5some pictures. The living room is quite big and I have two bedrooms. Please come and see it soon. I met Bill and his Mum on the bus today. Mrs. Proctor looked very6. I hope she isn’t 7things. Bill has8his driving test. I think he will ask you to go 9a drive with him10day! Let me know when you will have time to come and visit.LoveJane
Electronic mail or 1 has become an important part of life for many people today. It2about 45 years ago in the United States. Messages could be 3 from one person to 4 using the same computer. Later small computers were linked to 5 a network. Then by the early 1980s these networks were 6 together to form the Internet. This allowed messages to be sent7 the world. Now many people use email to 8 their friends and family. However, the 9 use of email is probably by businesses. Email is fast and 10 so it is the best way to communicate with customers and colleagues.