用正确的语法翻译这5句话

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  • Confidence can be improved by taking physical exercises, which is of importance for both youth and elders.

    Over-dependence on calculator will result a negative influence on the ability of mental arithmetic, and a threaten to the intelligence development of kid.

    Many girls are less willing to have their career in those industries which men take the majority of the roles, as they will be facing obstacles in promotion to higher ranked roles.

    Public focuses have been put onto the environment issues, such as greenhouse gas emissions; therefore some new rules need to be enforced to take care of these issues.

    Parents and teachers should be trying to reduce the amount of time that children spending on watch television; such efforts can protect children's eyes, and more outdoor activities should be encouraged.