Humans are mammals (哺乳动物). Most mammals are born able to do many things.

Some can walk within a few minutes of being born. They have to be able to run away if 1 is near. But human babies are born 2. They need the care of adults to live.

In the first month of life, babies can not smile or sit up. They can not even hold up their own heads 3 some help from grown-ups.

In the next few months, babies grow a lot. They learn to roll over, support their heads, and 4 sit up while being held.

Babies also have to learn to use their 5. It takes months for them to learn to reach for objects. At around six months old many babies can 6 an object from one hand to another.

Babbling is 7 a human baby learns to speak. Babies all seem to make similar sounds by babbling. They try to imitate (模仿) the sounds they hear from adults. It will take about nine months 8 a baby can say real words.

Somewhere around a baby's first birthday he or she may stand or walk with help. Soon the baby will 9 around on his or her own!

The first year of a baby's life is a time of growing and 10. Growing sure takes a lot of work!

Feb. 17 should have been the start of the spring semester for many middle and primary schools in China. However, to control the spread of the COVID-19, many schools had delayed the start of the semester, following instructions from the Ministry of Education (MOE). But students in China were still studying.

Instead of having classes at school, many students in Beijing and Guangzhou began their first day of online classes on Feb 17. Students in Shanghai started online classes on March 2. "In the morning, I have English class, followed by Chinese and math, " Liu Bo, a Junior 3 student from Beijing, told Xinhua. "I have also learned about epidemic(流行病) prevention. "

According to the MOE, students were mainly taking classes to review previous knowledge rather than taking new classes during the online study period. Online courses were required to include contents about epidemic prevention, psychological health (心理健康) and educational activities (教育活动).

"Online courses are only temporary measures (暂时的措施) taken during the epidemic, so when the new semester begins, schools should not replace(替代) classroom teaching with online classes, " Lu Yugang from the ministry told China Daily.

The ministry also called on schools not to increase their students' schoolwork burden(负担). Schools should not ask students to study online for long periods of time or study things beyond( 超出) their curriculum(课程). Students must have enough time to rest, the ministry added. Also, it stressed that protecting students' eyesight must be a priority(优先).

要求：（1）涵盖提示所有要点，可适当补充； （2）词数70左右，开头和结尾已给出，不计入总数； （3）文中不得出现真实的人名、校名、地名等。

Dear Editor,

I think my friend Steve is one of the Sunshine teenagers in our school. Let me tell you something about him.

Yours

Li Hua

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 The 16- year- old girl Xu Zhuoyuan from Changsha, Hunan Province, reached the top of Mount Qomolangma on May 15th, 2023. She became the youngest Chinese woman climber to do so.

 The girl's interest in climbing is influenced by her father Xu Jianglei. He was the first man from Hunan Province to reach the top of Mount Qomolangma.

 As a first- year high school student, Xu Zhuoyuan has already had a lot of experience in climbing. She has climbed five mountains, all above 5,000 meters, across China at a young age. She started her dream of reaching the top of Mount Qomolangma at the age of 12 and finally succeeded after years of hard work. To realize her dream, she had continuous training. Last year, she successfully reached the top of Muztagata, a 7,546- meter peak in Xinjiang.

 Being a high school student, she tries her best to do well in both study and mountain climbing. Usually she climbs during her summer and winter vacation. She hopes to continue climbing after she finishes her university studies. She wants to climb to the highest peak in each of the seven continents(大陆). She also wants to be able to reach the North Pole and South Pole one day.