【多选题】我国外汇管理体制改革主要经历的阶段有()。
A.
第一阶段(1978-1993),外汇管理体制改革起步
B.
第二阶段(1994-2000年),社会主义市场经济条件下的外汇管理体制框架初步确定
C.
第三阶段(2001年以来),以市场调节为主的外汇管理体制进一步完善
D.
第三阶段(2001年以来),固定汇率制度进一步确认
E.
第二阶段(1994-2000年),盯住汇率制度形成
【简答题】小题1:Trees can get light from in the daytime. A.C0 2 B.O 2 C.the sun D.the moon 小题2:Chlorophyll is in . A.sunlight B.soil C.air D.leaves 小题3:We can get more O 2 by . A.planting more trees B.cutting tr...
【单选题】Diffusion of light in the sky occurs owing to ______.
A.
atmospheric impurities
C.
varied shades of colour
D.
different times of the day
【单选题】Rich as they were in forms, the speaker’s _____ seemed unrelated to his speech.
【单选题】触电事故表明,频率为( )Hz的电流最危险。
【单选题】Rich as they were in forms, the speaker’ s _____ seemed unrelated to his speech.
【单选题】Unexpectedly the light ______ and we were left in darkness.
【单选题】I can't see anything in the room. Please the light. [ ]
【判断题】触电事故表明,频率为50-100Hz的电流最危险。