Why is reducing methane emissions a key goal?
A. Because it is produced through human activities.
B. Because it is responsible for a large part of the CO2 emissions.
C. Because its emissions result from farming activities and landfill waste.
Giải bởi Vietjack
A. Because it is produced through human activities.
(Bởi vì nó được tạo ra thông qua hoạt động của con người.)
B. Because it is responsible for a large part of the CO2 emissions.
(Bởi vì nó chịu trách nhiệm cho một phần lớn lượng khí thải CO2.)
C. Because its emissions result from farming activities and landfill waste.
(Bởi vì lượng khí thải của nó là do hoạt động nông nghiệp và chất thải chôn lấp.)
D. Because methane's warming power is stronger than that of CO2.
(Vì khả năng làm ấm của khí metan mạnh hơn CO2.)
Giải thích: D
Methane is a greenhouse gas that is more powerful than CO2 at warming the earth. It is responsible for nearly one-third of current warming from human activities. Methane comes from farming activities and landfill waste. The production and use of coal, oil, and natural gas also release methane.
Tạm dịch:
Khí mê-tan là một loại khí nhà kính mạnh hơn CO2 trong việc làm nóng trái đất. Nó chịu trách nhiệm cho gần một phần ba sự nóng lên hiện nay do các hoạt động của con người. Khí mê-tan đến từ các hoạt động nông nghiệp và chất thải chôn lấp. Việc sản xuất và sử dụng than, dầu và khí đốt tự nhiên cũng thải ra khí mê-tan.
Depending on our choices, (12) ______ scientists predict that the Earth could eventually warm by as little as 2.5 degrees or as much as 10 degrees Fahrenheit.
Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions.
We forgot to set the alarm. We woke up late this morning.
The city council passed new regulations for public transportation. Commuters experienced shorter wait times and more efficient routes.
It's been three years since we last dined at that cozy Italian restaurant.
(10) _______ we stopped emitting greenhouse gases (GHGs) today, the Earth would still warm by another degree Fahrenheit or so
This is the point at (14) _______ many believe the most damaging impacts of climate change can be avoided
Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.
John asked Alex, "What time will the train leave tomorrow?"
A commonly cited goal is to (13) ______ GHG concentrations around 450-550 parts per million (ppm), or about twice pre-industrial levels
Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
John is talking to Daniel.
- John: “Thanks for the book. I've been looking for it for months.”
- Daniel: “_______”
Jane and Janet are talking about women's roles.
- Jane: "I think married women should not go to work."
- Janet: " ________. I think they should stay at home because they are good at looking after their children and doing housework."
Mark the letter A, B, C, or D on your answer sheet to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.
Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.
When the speaker began discussing topics she already knew, she became uninterested and started
A B
daydreaming about her upcoming vacation.
C D
