浙江省工商系统的知识产权保护工作，曾得到（）的“301报告”的承认和肯定。
A.英国
B.法国
C.德国
D.美国
参考答案：D
用所给词的适当形式填空。
1. What do you think is the most______(help)invention?
2. Edison was a great (invent). He had many______(invent) during his lifetime.
3. What______electric slippers (use)for?
4. Personal computers (invent) in 1976.
5. —What is the knife used for?
—It's used for (cut) things.
《煤矿防治水规定》矿井应当安排专人负责对井田范围内及周边哪些部位进行巡视检查？
