Unit 5 Lesson 2

Choose A, B, C, or D that best completes each sentence.

Methane is a far more active _______ than carbon dioxide, but also one which is much less abundant in the atmosphere.

1. greenhouse gas
2. greenhouse effect
3. climate change
4. emission

Choose A, B, C, or D that best completes each sentence.

Certain _______  in the atmosphere, such as carbon dioxide, methane and nitrous oxide, block heat from escaping.

1. effects
2. emissions
3. gases
4. layers

Choose the word or phrase that is CLOSEST in meaning to the underlined part in the following questions.

Some hold the view that an increase in interspecies competition leads to local extinctions and a decrease in diversity.

1. number
2. environment
3. habitat
4. variety

Choose A, B, C, or D that best completes each sentence.

All of the disasters resulted from_______ will continue to have a devastating effect on socio-economic development.

1. floods
2. climate change
3. ecological balance
4. footprint

Choose the correct option to complete the sentence below.

______ in the jungle, George had to find the way out on his own.

1. Being lost
2. Losting
3. Having losting

Choose the best answer.

Greenpeace works to promote public          of the dangers that threaten our planet today.

1. information
2. awareness
3. knowledge
4. idea

Choose A, B, C, or D that best completes each sentence.

A layer of greenhouse gases - primarily water vapor, and carbon dioxide - acts as a _______  blanket for the Earth, absorbing heat and warming the surface.

1. thermal
2. hot
3. heat
4. heating

Choose the word or phrase that is CLOSEST in meaning to the underlined part in the following questions.

Environmental groups want a substantial reduction in the emission of greenhouse gases.

1. release
2. import
3. export
4. charge

Choose A, B, C, or D that best completes each sentence.

The next dry season will be extremely severe _______ further saltwater intrusion, water  and rain shortages, and heat waves.

1. because
2. although
3. due to
4. thanks to

Choose the word or phrase that is CLOSEST in meaning to the underlined part in the following questions.

Pollution can have disastrous effects on the delicately balanced ecosystem.

1. catastrophic
2. infectious
3. unimportant
4. minor

Choose A, B, C, or D that best completes each sentence.

Sea level rise is usually regarded as Viet Nam’s main _______: a one-meter rise would submerge 40 percent of the country and make millions homeless.

1. disaster
2. hope
3. destruction
4. concern

 Choose the correct option to complete the sentence below.

___________, our pottery will last for generations.

1. Treating with care
2. You treat with care
3. Treated with care

Choose the best answer.

In cold climates, houses need to have walls that will          heat.

1. remove
2. get
3. take
4. absorb

Choose A, B, C, or D that best completes each sentence.

The low _______ in the Mekong Delta leads to acute saline intrusion much deeper than the traditional 30 to 40km of mainland that is contaminated with saltwater.

1. water currents
2. sea level
3. water level      
4. salt water

Choose the best answer.

Conjunctivitis caused by the common cold is very             and can spread rapidly between people.

1. polluted
2. heat-related
3. hot
4. infectious

Choose A, B, C, or D that best completes each sentence.

Viet Nam has been named among the 12 countries most _______ for climate change by the World Bank.

1. at risk
2. at danger
3. in risk
4. ready

Choose the word or phrase that is CLOSEST in meaning to the underlined part in the following questions.

The law bans the import of ivory into the country.

1. prohibits
2. encourages
3. calls for
4. stimulates

Choose A, B, C, or D that best completes each sentence.

Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse _______.

1. causes
2. effect
3. gas
4. damage

Choose the best answer.

Ocean water also will expand if it warms, _______further to sea level rise.

1. getting
2. making
3. leading
4. contributing

Choose A, B, C, or D that best completes each sentence.

Carbon dioxide is released through _______  processes such as respiration and volcano eruptions and through         activities such as deforestation, land use changes, and burning fossil fuels.

1. human - natural
2. natural - human
3. man-made - ordinary
4. ordinary - man-made

Choose the best answer.

The destruction of the rain forests is an               disaster.

1. ecology
2. ecological
3. ecologist
4. ecologically

Choose the correct option to complete the sentence below.

Waiting for the doctor,_______.

1. Dave read a magazine
2. a big noise scared everybody
3. the alarm went off

Choose the word or phrase that is CLOSEST in meaning to the underlined part in the following questions.

Coming on top of the previous years of extreme scarcity of food, however, the longer term economic implications were profound.

1. drought
2. famine
3. flood
4. earthquake

Choose the correct option to complete the sentence below.

Being an ex-convict, _______.

1. he had no hope of finding a job
2. they didn’t give him a job
3. the manager decided not to interview him

Choose the best answer.

Over $100 million was allocated for the ______ of hazardous chemicals and radioactive waste.

1. break-up
2. tidy-up
3. clear-up
4. clean-up

Choose the best answer.

A strong greenhouse effect will warm the oceans and partially melt glaciers, increasing ______.

1. temperature
2. water
3. sea level
4. pollution

Choose the best answer.

The clearing of land for agriculture, industry, and other human activities have increased ______ of greenhouse gases.

1. concentrations
2. attention
3. loss
4. collections 

Choose the best answer.

                is the gradual warming of the earth because of heat trapped by carbon dioxide and other gases in the atmosphere.

1. Atmosphere
2. Ecosystem
3. Greenhouse effect
4. Diversity

Choose the word or phrase that is CLOSEST in meaning to the underlined part in the following questions.

Coal-fired power stations must be retrofitted to capture carbon dioxide.

1. catch
2. absorb
3. keep
4. discharge

Choose the correct option to complete the sentence below.

________ in Denmark, he could speak Danish perfectly well.

1. Have spent his childhood
2. Spending his childhood
3. Spent his childhood