题干

有关生物的生殖和发育的描述中,你认为科学而正确的是(  )

A:嫁接、植物组织培养、试管婴儿、克隆羊均属于无性生殖

B:超市里买来的鸡蛋经过一段时间的恒温,都可以孵化出小雏鸡

C:卵黄是鸟类胚胎发育所需营养物质的主要来源

D:雌雄蛙经抱对行为完成体内受精,雌蛙将受精卵排在水中,幼体发育在水中进行

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C

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    How to Adjust to a New School

    School is a base for students, where they learn to succeed____When you go to a new school, you might worry that you don't know anyone. You worry that you might get lost, or if the teachers are strict. Here are some ways to help you adjust to a new school.

    Get to Know the School

    Before you start the school, go with your parents to visit the school____

    Prepare for the First Day

    ____Being well rested will help you remove(去除) any nervousness you may be feeling. Try to get at least 8 to 9 hours of sleep if you're between 7 and 17 years old.

    ____

    Make sure you leave lots of time in the morning to get to school. You don't want to be rushing into your classroom after the bell rings. Arriving early may also give you a chance to chat with a few other students and hopefully make a few new friends.

    Make friends

    Take part in activities. Sign up for activities like drama, sports or chess club. This will put you into smaller groups with people who have the same interests as yours.____ You might even be able to teach some other kids about how to do something.

A. Go to school on time

B. Leave early for school

C. Find out where your classroom will be, as well as other important places.

D. Start off your first day of school with a good night's sleep.

E. Learning the rules of the school will help you adjust and will keep you out of trouble.

F. But adjusting to a new school can be difficult.

G. This will also give you a chance to show your skills at sport or other activities.