Grammar in Context L2 Unit6 Vocabulary

What does the word 'supply' mean? (n.)

• The amount of money

• The cost of a commodity

• The amount of something that is available for use

• The demand for a commodity

What does the word 'inefficient' mean? (adj.)

• Skilled 有技能的

• Organized 有组织的

• Experienced 有经验的

• not organized, skilled 低效率的

What is the definition of 'pollute'? (v.)

• To conserve 保留

•  To contaminate or make impure, especially by introducing harmful substances into the environment. 污染

• To clean 使 清洁

• To purify 净化

What does 'extinction' refer to?  (n.)

• A situation in which something is new

• A situation in which something is abundant 充足

• A situation in which something thrives 繁荣

• A situation in which something no longer exists 灭绝

What does the word 'prosperous' mean? (adj.)

• Having success or wealth 繁荣的

• Unsuccessful 不成功的

• rich 有钱的

• Poor 贫穷的

What is the meaning of 'thoughtful'?

• Careless

•  Considerate, showing careful consideration or attention

• Rude

• Selfish

What does 'identify' mean? (v.)

• To forget

• To ignore

• To recognize

• To neglect

What does the word 'regularly' mean? (adv.)

• Frequently

• Occasionally

• Infrequently

• consistently or frequently

What is the meaning of 'occasionally'? (adv.)

• Often

• Regularly

•  Happening from time to time; infrequently

• Frequently

What does 'dramatically' mean? (adv.)

• Slightly

• Slowly

• Significantly；suddenly or obviously

• Gradually