相对比的特点是一定小于1。( )
参考答案:错
解析: 相对比的分子可以大于分母也可以小于分母,故相对比可以大于1也可小于1。
I am a boy from the USA. Now I go to school in China. I have Chinese food now, I like it. I usually have porridge(粥)and milk for breakfast at home with my parents. Sometimes I have some small cakes, too. But I don’t have lunch at home. I have it at school with my classmates(同学). I usually have meat or fish, rice and vegetables for lunch. After lunch I have some fruit. I get home at half past four in the afternoon. So I have supper with my parents again. Sometimes we go out for supper. My mother often cooks supper. Sometimes my sister does it. We usually have rice, fish, meat, vegetables and fruit juice for supper. We sometimes have noodles and dumplings. After supper, I often have some fruit. I like apples very much.
请根据短文内容,选择最佳答案。
小题1:Where is the boy from?
A.England.
B.China.
C.America.
D.Australia.小题2:The boy has breakfast with_______.
A.his classmates
B.his father and mother
C.his teachers
D.his brother and sister小题3:When does the boy usually get back home?
A.4:45
B.5.30
C.4:30
D.5:15小题4:How many people are there in the boy’s family?
A.Three
B.Four
C.Five
D.Six小题5:Where does the boy have lunch at weekends?
A.At home.
B.At school.
C.At home or at school..
D.We don’t know.
请认真默读人教版四年级上册课文《颐和园》,根据要求答题。基中微型设计要求写出教学环节及教师的引导语。
结合本单元的主题“我国的世界遗产”和学情特点,为本设定教学目标及重难点。