下列有关对发明的描述,正确的有()
A.发明是对自然界客观规律的揭示
B.发明是利用自然规律的结果
C.发明是具体的技术方案
D.发明必须形成某种产品
参考答案:B, C
根据句子意思和所给的首字母,完成单词。
1. Her mother is a nurse and she works in a h_______.
2. My English is p_______. Can you help me with it?
3. Do you k_______ the young man in a white shirt?
4. I'm free tomorrow. I can go for a p_______ with you.
5. Could you please b_______ some food here?
在国际法上,邻接一国陆地领土及其内水,并处于该国主权下的一定宽度的海域是()
A.领水
B.领海
C.公海
D.内海