单项选择题 The quantitative analysis of classical polarography is based on()

多项选择题 古代太平洋海岛居民拥有实用的海洋知识，这些知识被他们的后人保留至今。他们运用（ ）的特点进行超远距离的航行，成为技艺高超的航海者。A.风B.浪C.海流D.温度季节变化

单项选择题 Which of the descriptions on “thermoset prepregs” is not true? A、The resin matrix for thermoset prepregs is partially cured. B、The resin matrix for thermoset prepregs is fully cross-linked C、The thermoset prepregs are dramatically different from thermoplastic prepregs. D、More commonly used in prepreg composite manufacturing is thermoset prepregs.