今后世界渔业的可持续发展最主要是依靠()。
A.大量投入资金,提高生产能力
B.大量投入资金,扩大再生产
C.发掘内涵,加强管理
D.以上都不是
参考答案:C
患者男性,45岁。上消化道大出血,血压70/35mmHg,面色苍白,神清。
最适宜的麻醉方法是()。
A.连续硬膜外阻滞
B.蛛网膜下隙阻滞
C.气管内插管全麻
D.局麻与强化
E.针刺麻醉
重新排列以下句子的顺序,使它们组成一段通顺的对话。
A. Oh, yes, it is. It's in the book. Thank you.
B. No, it isn't.
C. That's all right.
D. Excuse me, where's my ruler? Do you know?
E. No, I can't see it.
F. Is it in your math book?
G. Oh, sorry, I don't know. Is it in your pencil case?
H. Is it in your desk?
1. 2. 3. 4. 5. 6. 7. 8.