与远期交易相比,期货交易的违约风险更高。( )
参考答案:错
解析: 远期交易的违约风险较高,而期货交易的保证金制度维持期货市场安全型和流动性,风险较远期有所降低。
按照你本人的实际情况回答。
1. Are you from Songtao?
____________________________________ .
2. What's your phone number?
3. What color is your hair?
4. Do you know Yao Ming?
5. Is your English teacher tall?
不同CT值范围提示不同成分,下列叙述中错误的是()
A.3~18HU提示为液体
B.-1000HU提示为空气
C.-20~-80HU提示为脂肪
D.80~300HU提示为钙化
E.>400HU提示为骨骼