《工程建设重大事故报告和调查程序规定》规定,重大事故发生后,事故发生单位应在( )h内写出书面报告,按部门逐级上报。
A.10
B.12
C.18
D.24
参考答案:D
根据下列句子所给汉语注释,在句子空缺处写出单词的正确形式。
1. We had a long _________ (讨论) about the plan.
2. Driving on mountain roads always makes me _________ (紧张).
3. I _________ (写) her several letters, but she didn't reply.
4. He introduced his lovely daughter to the guests _________ (高兴地)
5. I couldn't decide _________ (是否) or not to go to the party.
右心衰竭引起组织水肿的主要原因是()
A.毛细血管压升高
B.血浆胶体渗透压降低
C.组织胶体渗透压升高
D.组织静水压降低
E.淋巴回流受阻