What role do concessions play when a proposal isn’t readily accepted?

People do not agree with each other as to what is the ____ role of government.

A.quiet

B.proper

C.grand

D.quick

A.controller

B.assessor

C.organizer

D.prompter

What do hydrologists mainly study？

A．The role of solar energy in the cycle.

B．Water movement and storage on land.

C．Biological reactions that use water.

D．The amount of water evaporated from the land.

What are boys usually encouraged to do at school？

A．To get help with their homework.

B．To play the leading role in class.

C．To work with girl students in class.

D．To learn to take care of others.

What role do the readers and librarians play in the reading room？

The readers and librarians should______and jointly run rhe reading room well.

A.Designers.

B.Supervisors.

C.Assistants.

D.Employees.

What a role do lymphocytes play in the human body？

A．To reduce the rate of dying while still a fetus．

B．To raise the bodys immunity against infection．

C．To help prevent the development of heart disease．

D．To help prevenl the development of diabetes．