Many parents want their children to carry phones for use in an emergency but would they be happy to see them allowed in lessons?

很多家长想让孩子带着手机以便出现紧急状况后能及时联系，但是他们会乐意看到手机被允许出现在课堂吗？

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It's possible to use standard estrogen-progestin birth control pills for emergency contraception, but check with your doctor for the proper dose and timing of the pills.

服用标准的雌激素-孕激素避孕药进行紧急避孕是可行的，但须与医生讨论适当的服药剂量和时间。

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Use the telephone only for emergency calls.

电话只用来紧急呼叫。

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These boxes include batteries that allow customers to store power for emergency use, cut back on energy consumption when prices are high and make use of energy drawn from rooftop solar panels.

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Emergency contraceptives are intended for use within 72 hours after sex but are most effective if taken within 24 hours.

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More to the point, studies have repeatedly shown that emergency contraception is safe for use by women of all ages, including teens.

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