【简答题】A.They are too many and she can't read them all. B.They are too difficult and complex for her to understand. C.She feels too tired to read any books. D.They are too heavy for her to carry.
【简答题】A.She can't rest well. B.She has too much to read. C.She has to finish a job on time. D.She doesn't Nike her reading class.
【判断题】气体的绝热自由膨胀过程对外界做的功可以通过课本121页表里相应的公式计算。
【简答题】She can't read her ___handwriting.(自己写的字,自己也看不清)
【单选题】以下是决定钢性能的主要元素是( B )。