Fires in escaping flammable gas are quickly brought under control by（）
A. stopping the flow of gas
B. reducing the chemical chain reaction
C. increasing the oxygen supply
D. cooling below the autoignition point
As a vessel changes course to starboard，the compass card in a magnetic compass（）.
A. remains aligned with compass north
B. also turns to starboard
C. first turns to starboard then counterclockwise to port
D. turns counterclockwise to port
小刚下课回宿舍后突然感到肚子剧痛，面色苍白，大汗淋漓，该怎么办（）
A. 先躺一会儿，看看能否自然缓解
B. 立即吃止痛药
C. 立即送往医院
D. 不当回事继续学习
根据许多国际化企业的实践经验，企业向国际化经营演变经历哪几个阶段？
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