Carbon dioxide ______ from burning fuels is the most common of the so-called greenhouse gases.
A: producing
B: having been produced
C: to be produced
D: produced
A: producing
B: having been produced
C: to be produced
D: produced
D
举一反三
- 33.Do you know what ______ so much greenhouse gases in the air? A: producing B: has produced C: will produce D: produces
- All the greenhouse gases are produced by industry nowadays.()
- In the last few years thousands of films ______ all over the world. A: have produced B: have been produced C: are producing D: are being produced
- Carbon dioxide, the main greenhouse gas in the atmosphere, comes from all of the following except ________. A: growing plants B: burning trees C: burning fuels D: breathing animals
- According to the passage, Greenhouse gases do NOT include _______. A: carbon dioxide B: methane C: nitrous oxide D: fossil fuels
内容
- 0
the total amount of greenhouse gases produced by somebody 是下面哪个单词的解释？ A: eco=friendly B: carbon footprint C: gas emission D: iodiversity
- 1
Trees absorb carbon dioxide from the air, which can increase greenhouse gases.
- 2
-- How much is the latest style of the watch?[br][/br] -- Sorry, I have no idea. But it and I' will know the price soon. A: has produced B: has been producing C: is produced D: is being produced
- 3
The watches that they______a year ago were poor in quality. A: will produced B: had been produced C: had produced D: produced
- 4
9) It (inevitably) will increase the emission of carbon dioxide and so hasten the buildup of greenhouse gases in the atmosphere. A: unavoidably B: certainly C: accidentally