吸收光谱仪所用光源必须是()的光源。
参考答案:连续光谱
从Ⅱ栏中选出Ⅰ栏各句子的应答语。(5分)
Ⅰ Ⅱ
小题1:May I take your order? A.Yes,please.
小题2:What does she look like? B.No,he doesn’t.
小题3:May I help you? C.Rice and fish,please.
小题4:Where do they work? D.She has big eyes.
小题5:Does he speak English? E.They work on a farm.
卢梭说过,热心可以补才能的不足,而才能不能补热心。这是指幼儿教师要具备综合性的能力。