史料记载“所种之地，惟以伐木，纵火焚烧，用竹锥地成眼，点种苞谷。”这反映的耕作方式是
A．铁犁牛耕
B．个体农耕
C．刀耕火种
D．石器锄耕
答案：C
卵巢合成雌激素的部位包括：
A．卵泡内膜细胞
B．卵泡外膜细胞
C．卵泡膜黄体细胞
D．颗粒细胞
E．卵巢间质细胞
Which of the following statements is NOT true of Trinidadian workers who were made jobless in early September
A．They held protests against the government on the street.
B．They became independent cane farmers.
C．They were compensated with a total of 115 million dollars.
D．They were given the chance of retraining for new job careers.
