1999版第五套人民币纸张中的彩色纤维在紫外下呈现()。
A.红色和黄色
B.红色和蓝色
C.黄色和蓝色
D.绿色和蓝色
参考答案:B
根据句意及首字母或汉语提示完成单词。
1. Don't tell a lie. Please tell us the t , so we can make a right decision.
2. —What's in your s ?
—Some books and a pencil-box.
3. Most restaurants are d to be comfortable.
4. Loud music makes most people t , but it makes Tina relaxed.
5. Restaurant o have to know how to make food. They also have to know how to make money.
6. —What color do you prefer, pink or p ?
—I prefer pink.
7. Different people have very different (思想).
8. The quality of a (产品) is the most important.
9. We must protect (濒危的) animals because they are our friends.
10. The girl received a (神秘的) phone call last night.
丝杠精度规定用牙型角的极限偏差控制牙型误差。(测量知识)