The primary focus of ________ method is on memorization of v The primary focus of ________ method is on memorization of verb paradigms, grammar rules and vocabulary. 分类:生物学 题型:单选 查看答案
当EEC备用(ALTN)灯亮后()。 当EEC备用(ALTN)灯亮后()。A.飞机不能放行B.飞机可以放行C.只是提醒飞行员发动机有故障D.必须查最低放行清单,按清单来决定是否能放行 分类:生物学 题型:单选 查看答案