Development of playing: Reading- Grammar

_______ on the species, play may be primarily for social interaction, exercise, or exploration.

• Depending

• Depended

• To depend

• depends

Perhaps playing is primarily for social interaction, exercise, or exploration.

So which are "playing" below?

• leaping

• running

• throwing

• wrestling

Play has________ most extensively in dogs.

• been studied

• studied

• studying

• studies

considerable v.s. consider

I am considering how to work out the considerable loss of the show because of the disaster.

• thinking about; significant

• thinking of; great

• wondering; countable

• wondering; thoughtful

"Play is not without considerable costs to the individual animal."

This sentence means _____

• Play has great costs to the individual animal sometimes.

• Play doesn't have any costs.

• Play has great influence on the individual animal.

• Play doesn't have great influence on the individual animals

Eg1: The benefits of play must outweigh costs.

Eg2: The merits of your plan outweigh the defects.

• be more than

• weighs heavier

• overweight

• weight off

"One group developed in an "enriched" environment, which allowed the rats to interact with other rats, play with toys, and receive maze training."

This is a _____.

• defining clause

• object clause

• concomitant adverbial

• adverbial of manner

The other group lived in an "impoverished" environment in individual cages in a dimly lit room with little stimulation.

Get a synonym of the underlined word.

• encouragement

• stimulus

• stigma

• sting

A definitive clause is a sentence after a noun or pronoun to modify the noun or pronoun.

Which is a defining clause?

• 
• 
• 
• 

At the end of the experiments, the results showed that the actual weight of the brains of the impoverished rats was less than that of those raised in the enriched environment(though they were fed the same diets).

"That" here is connecting the main sentence with ______

• defining clause

• object clause

• adverbial clause

• subject clause