A) stream contamination 

B) high processing costs

C) high recycling rate 

D) more profits of recycling

A) put the waste in recycling bins

B) know the waste can be recycled

C) don’t know if the waste can be recycled

D) express their wish for recycling

A) Styrofoam. 

B) PVC.

C) Water bottles. 

D) Batteries.

A) The importance of sorting trash.

B) The necessity of using durable goods.

C) The benefits of limiting disposable goods.

D) The controversy of recycling.

Paragraph 1?

A) Installing solar panels at home saves money for consumers.

B) Consumers will be paid to install solar panels.

C) Solar panels will bring financial gains to consumers.

D) The environmental benefit means financial gains.

A) The federal government’s tax credit. 

B) The state’s incentives.

C) The utility’s help somewhere. 

D) The installer’s services.

A) He has the necessary permits.

B) He’ll connect the solar energy system to your home.

C) He’ll sell your solar electricity to the grid.

D) He’ll apply for incentives for you.

A) Pay for it completely. 

B) Lease it somehow.

C) Sell all the electricity generated. 

D) Get bank loans for it.

A) use the electricity for free 

B) pay more than the local utility charges you

C) pay the maintenance fees 

D) sign a power purchase agreement

A) It has become the most popular way of forming relationships.

B) It costs no money to become a member online.

C) It provides false pictures and information for users.

D) It is rarely criticized for its own sake.

A) To help users make rational choices.

B) To provide users with many choices.

C) To ask users to do shopping online.

D) To help users to try the product before buying.

A) It measures human interactions objectively.

B) It makes human interactions objective.

C) It can’t reflect the real human interactions.

D) It can correct human interactions.

A) Love is reasonable. 

B) Love is irrational.

C) Love is disappointing. 

D) Love is surprising.

A) Disapproving. 

B) Encouraging. 

C) Faithful. 

D) Extreme.

A) It is practiced with romance.

B) It is based on practical aspects.

C) It depends on Chinese economy.

D) It is associated with parents’ introduction.

A) It puts societal duty before individual desire.

B) It drives people to find partners of good resources.

C) It makes the young generation develop a sense of responsibility.

D) It helps improve the welfare system in China.

A) They are less anxious about marriage.

B) They are from economically good families.

C) They learn a lot about pop music and movies.

D) They follow the tradition of their parents’ marriage.

A) More rural women will be singles in the near future.

B) More urban women will be singles in the near future.

C) More urban men will be singles in the near future.

D) More rural men will be singles in the near future.

A) Critical. 

B) Positive. 

C) Neutral. 

D) Negative.