问题
单项选择题
化学课程与教学论的核心内容是（）。
A.化学课程标准及其实施
B.化学教材及其实施
C.化学教学设计及其实施
D.化学实验及其实施
答案
参考答案：C
解析：化学教学设计及其实施是化学课程与教学论的核心内容。
搜题请搜索小程序“爱下问搜题”
化学课程与教学论的核心内容是（）。
A.化学课程标准及其实施
B.化学教材及其实施
C.化学教学设计及其实施
D.化学实验及其实施
参考答案：C
解析：化学教学设计及其实施是化学课程与教学论的核心内容。
Look! Here is a photo my family. I have(有) a big family. My are very old now. My grandfather is 70 years old and my grandmother 69 years old. I have an . He’s my father’s . I have two . They’re my mother’s sisters. I have cousins---a boy and a girl. They are my uncle’s and daughter. I have a sister, too, but(但是) she in the photo. I am in a nice . I love my family.
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