问题
选择题
如图是小明探究“凸透镜成像规律”时观察到得现象,下列哪种光学仪器的成像原理与其相同( )
A.投影仪
B.照相机
C.放大镜
D.近视眼镜
答案
答案:C
如图是小明探究“凸透镜成像规律”时观察到得现象,是放大镜的原理。
如图是小明探究“凸透镜成像规律”时观察到得现象,下列哪种光学仪器的成像原理与其相同( )
A.投影仪
B.照相机
C.放大镜
D.近视眼镜
答案:C
如图是小明探究“凸透镜成像规律”时观察到得现象,是放大镜的原理。
阅读下面的对话,根据上下文,从所给的七个句子中选择五个句子,将对话补充完整。 | |
B: He's my father. A: __________________________ B: He's a teacher. A: Where does he work? Does he teach in our school? B: __________________________ He teaches the class next to our classroom. A: Does he teach you math? B: __________________________ But he teaches my sister. She's in Class 1, Grade 4. A: How does he go to school? B: __________________________ My sister and I go to school by his car together. A: That's great! |