1.How many rural migrant workers at the end of 2016 in China?

A 4.24 million.

B 350 million.

C 282 million.

D 286.24 million.

解析：选C。细节理解题。根据第一句The number of rural migrant workers in China hit 282 million at the end of 2016...可知截至2016年末，全国农民工总量达到2.82亿人，故选C。

2.China made great progress in_______.

A one-child policy

B economic development

C protecting migrant workers' safety

D protecting migrant workers' rights and interests

解析：选D。细节理解题。根据第二段第一句 The country has made big progress in protecting migrant workers' rights and interests...可知我国在保障农民工权益方面取得了巨大进步，故选D。

3.What has the ministry done for migrant workers?

A The ministry has given them a lot of money.

B The ministry has helped them go back home.

C The ministry has helped retrieve 35 billion yuan in back pay.

D The ministry has provided houses for them.

解析：选C。细节理解题。根据第二段第二句The ministry has helped retrieve 35 billion yuan in back pay for migrant workers...可知人社部帮助农民工追讨欠薪共350亿元，故选C。

4.What will the ministry continue to do?

A The ministry will help rural migrant workers build their houses.

B The ministry will help rural migrant workers make more money.

C The ministry will help rural migrant workers settle in cities and start their own businesses.

D The ministry will give rural migrant workers money and start their own businesses.

解析：选C。细节理解题。根据第二段第三句Qiu said the ministry will continue to help rural migrant workers settle in cities and start their own businesses.可知，故选C。

5.Efforts will be made to help rural migrant workers for______.

A enjoying a happy life

B having a good holiday

C enjoying the school life with urban students

D enjoying equal social welfare with urban residents

解析：选D。细节理解题。根据第二段最后一句Efforts will be made to help them enjoy equal social welfare with urban residents.可知，故选D。