龍騰B4-U1 Reading

What is the main idea of the first paragraph?

• A link between recycling cell phones and saving gorillas.

• It's about saving African gorillas.

• PBTs are dangerous chemicals in cell phones.

Most old cell phones end up buried in landfills.

• True

• False

Recycling old cell phones is a profitable business in the Democratic Republic of the Congo.

• True

• False

Coltan is a chemical which harms our environment.

• True

• False

The gorilla population in the Democratic Republic of the Congo has dropped by 60% in just a few years.

• True

• False

People had better give their unwanted old cell phones to someone in need.

• False

• True

What does "PBT" stand for?

• Persistent, Biologiical, and Toxic Chemicals.

• Persistent, Bioaccumulative, and Toxic Chemicals.

• Preserved, Bioaccumulative, and Toxic Chemicals.

What is the main idea of “Cell Phone Recycling and African Gorillas”?

• Every zoo should pitch in to help save African gorillas and their habitats.

• It seems necessary to cut back on the use of PBTs in cell phones.

• People should be aware of the problem their unwanted cell phones might cause.

The average lifespan of a cell phone is....?

• Less than one year.

• More than two years.

• Less than two years.

According to the text, how many cell phones are properly recycled?

• Only 75%

• Only 20%

• Only 5%

• 95%