高一不等式题一道比较 2+7的立方根 和 4的大小是2+ 7的立方根 请写出解题思路

【C6】

A．bond

B．bonus

C．tariff

D．voucher

请帮忙给出正确答案和分析，谢谢！

青少年伤害三级预防的核心措施包括

A.法律对策

B.安全教育

C.伤害监测

D.社区康复

E.主动和被动干预

请帮忙给出正确答案和分析，谢谢！

Who is NOT mentioned as participants of this "Earth Hour" activity？

A．Farmers in remote parts of Australia.

B．City dwellers in Sydney.

C．Thousands of Sydney suburban homes.

D．Hundreds of business in Sydney.

请帮忙给出正确答案和分析，谢谢！

以下不属于社会医学研究的内容的是

A、社会卫生状况

B、影响人群健康的因素

C、疾病的发生原因

D、社会卫生策略

E、卫生服务状况对人群健康的影响

请帮忙给出正确答案和分析，谢谢！

What will the guest worker program contribute to the immigration reform？

A．It will solve immigration problem completely.

B．It can protect the undocumented workers" salary.

C．It is a good way for immigrants to get U. S. citizenship.

D．It"s a way for undocumented workers to get U. S. citizenship.

请帮忙给出正确答案和分析，谢谢！