2026年53天天练六年级英语下册沪教版第7页答案
五、【学科融合】阅读短文,选择最佳的选项。
How tall are you? Sometimes girls may feel themselves too tall and boys may feel themselves too short. Don't worry about that. Our body grows in its own way. You can't wish to grow more quickly or more slowly. How tall will you be? Your genes(基因) will largely decide(很大程度上决定) that. There are many ways to know a person's height. Here is one way, but just for reference(参考).
Boy's height$=$(father's height$+$mother's height)$*1.08÷2$(cm)
Girl's height$=$(father's height$*0.923+$mother's height)$÷2$(cm)
There are two important stages of children's growth. One is when you are a baby. A newborn baby can grow about 25 cm in the first year. The next one is when you are a child. It usually happens(发生) from 9 to 13 years of age for girls and from 8 to 15 years of age for boys. Girls and boys grow taller and begin to look more like adults(成年人).
B
)1. Your
largely decide(s) your height.
A. weight B. genes C. body
A
)2. When a baby is born, he or she can grow about 25 cm in the
year.
A. first B. second C. third
C
)3. Lily's father is 180 cm and her mother is 160 cm. Lily may be
.
A. 183 cm B. 173 cm C. 163 cm
C
)4. In the second stage, girls and boys start to look like
.
A. babies B. children C. women and men

答案

1. B 2. A 3. C 4. C

解析

【分析】本题为英语阅读理解选择题,解题思路是先通读短文把握大意,再针对每个小题的关键词,回到原文定位对应信息,结合选项逐一验证得出答案。其中第3题需运用文中给出的女孩身高公式进行简单计算,其余题目为细节查找题,需精准定位原文内容。
【解析】1. 定位原文第一段关键句“Your genes(基因) will largely decide(很大程度上决定) that.”(that指代身高),可知基因很大程度决定身高,对应选项B。2. 定位原文第二段“A newborn baby can grow about 25 cm in the first year.”,可知婴儿第一年生长约25cm,对应选项A。3. Lily是女孩,代入女孩身高公式:(父亲身高×0.923 +母亲身高)÷2,计算得(180×0.923 +160)÷2=(166.14+160)÷2=163.07cm,接近163cm,对应选项C。4. 定位原文第二段“Girls and boys grow taller and begin to look more like adults(成年人).”,adults对应选项C的women and men,对应选项C。
【答案】1.B 2.A 3.C 4.C
【知识点】英语阅读理解、细节理解、简单计算
【点评】本题结合身高科普知识考查英语阅读能力,涵盖细节查找和简单计算,整体难度适中,学生只要认真读文、仔细计算即可正确解答。
【难度系数】0.6