煤气输送单位风机出口水封,运行时应保持一定运行()。
A、水位
B、压力
C、煤气气源
参考答案:A
根据要求完成句子。
1.They married ten years ago. (变为同义旬)
They _____ _____ _____ _____ ten years ago.
They _____ _____ _____ _____ ten years.
2. The boss told the little boy to finish the hard work. ( 变为被动语态)
The little boy _____ _____ _____ _____the hard work by the boss.
3. He has learnt English since two months ago. (对画线部分提问)
_____ _____ _____ he learnt English?
4. Miss Wang put the gold fish into the fish tank. (变为一般疑问句)
_____ Miss Wang _____ the gold finish into the fish tank ?
5. He has never been to Hainan , _____? (改为反意疑问句)
当发生申请权或专利权权属纠纷后,当事人应当()。
A.首先向当事人所在地的具有受理权属纠纷管辖权的知识产权管理机关请求处理或者向人民法院提出诉讼
B.首先向申请人或者专利权人所在地的具有受理权属纠纷管辖权的知识产权局请求处理或者向人民法院提出诉讼
C.以意见陈述书向专利局提出中止程序要求,说明原因
D.以书面形式向专利局提出中止程序请求,并附具知识产权管理机关或者人民法院的受理文件