$a$为常数，$\forall x\in R$，$f\left(x\right)=a^2{x}^2+ax+1>0$，则$a$的取值范围是（   ）

    Good morning everyone! Today I want to talk about how to deal with our children's homework. As we know, homework is a great way for children to develop learning skills. So as parents, you should pay attention to it.

    ____

    Avoid having your child do homework with the television on or in places with different noises, such as people coming and going.

    Make sure your child has all the materials he needs.

    Ask your child if special materials will be needed for some subjects and get them in advance.____

    Help your child use time properly.

    Tell them not to watch TV unless they finish their homework in time.____Don't let your child leave homework until just before bedtime.

    When your child asks for help, provide guidance, not answers.

    Giving answers means your child will not learn the material.____At the same time, you should keep in touch with teachers, which shows your child that the school and home are a team.

    ____

    If your child has been successful in homework and is working hard, celebrate that success with a special event to make him happy.

    I am sure your child will be interested in doing homework if you take my advice.

Thank you!

A. Praise progress in homework.

B. Tell your child how important homework is.

C. Make sure your child has a quiet place to do homework.

D. For example, you should buy some paper, pencils, dictionaries and so on when you do some shopping.

E. Make a set time each day for doing homework

F. Be positive about homework.

G. Too much help is bad for your child's study.

选出划线部分发音字母不同的项(     )

中央电视台“北纬30°·中国行”摄制组从舟山市出发，途经多个省区，到达日喀则地区，全面记录北纬30~中国段瑰丽的自然风光和多彩的人文风情。据此回答小题。