【判断题】对同一成分的金属,晶粒越细,其强度、硬度愈高,而且塑性和韧性也越好。
【单选题】It is implied in the passage that______.
A.
children who are good at imitating learn new words more quickly
B.
even after they have learnt to speak children still enjoy imitating
C.
children no longer imitate people after they begin to speak
D.
parents can never hope to teach their children new sounds
【判断题】对同一成分的金属,晶粒越细,其强度、硬度愈高,而且塑性和韧性也越好。
【单选题】肝脏是人体重要的代谢器官。从细胞增殖能力分析,肝细胞属于
【单选题】The early pioneers had to ____ many hardships to settle on the new land like the New Wor ld
【简答题】扬州个园主要以 ___ ___ ,配合植物题材来表现四季景象