判断题
正确(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
She lost her purse. She lost her job. → ()
未知题型She lost her purse. She lost her job. → ()
She that she had lost her purse.
未知题型She that she had lost her purse.
位于费米能级附近的能级是有效的复合中心。
未知题型位于费米能级附近的能级是有效的复合中心。