Q11 [Part 2] Why don’t babies talk like adults?

Internationally adopted children have more ____ brains than American-born infants when they start learning English.

• mature

• immature

• native

• untrained

Children's first English sentences consisted of single words and were largely ____ function words, word endings and verbs

• bereft of

• filled with

• full of

• out of

An individual who is adopted into a family different from his birth family

• Adoptee

• Adopter

• Adoption

• Adoptive

Adopted children start learning English at an older age than US natives and ____ this task with more mature brains

• tackle

• adapt

• avoid

• resist

Adoptees then go through the same stages as typical American-born children, ____ at a faster rate.

• albeit

• although

• despite

• and

A ____ process means slowly and steadily progressing over time without sudden changes.

• gradual

• fast

• rapid

• stagnant

Adult _____ rarely achieve fluency in speaking in a foreign language as the average child raised as a native speaker

• Immigrants

• Immigrant

• Immigration

• immigrate

The researchers suspected that there was a ___ period when children learn language most effectively, after which they cannot proceed with full success to fluency

• critical

• critic

• critically

• criticize

"________" are scientists who study the brain and nerves to learn how they function.

• Neuroscientist

• Neuroscience

• Neuroscientists

• Neurology

Adults who learn a second language rarely achieve the same ______ in a foreign language as the average child raised as a native speaker

• proficiency

• proficient

• proffer