As a defense against air-pollution damage, many plants and animals _____________ a substance to absorb harmful chemicals.
举一反三
- Which is NOT the effect of Air Pollution? A: Cause people to get sick B: Kill animals and plants C: Give off bad smells D: Produce acid rain
- 那里的森林里曾有许多奇异的植物、兽类和鸟类。英译此句以下哪些选项是准确的？ A: There were once many strange plants, unfamiliar animals and birds in the forest there. B: Many strange plants, unfamiliar animals and birds once dwelt the forest there. C: The forest there was once inhabited by many strange plants, unfamiliar animals and birds. D: The forest possesses many strange plants, unfamiliar animals and birds.
- One of the main reasons for air pollution is that many cars _______ smoke into the atmosphere.
- I hope all the precautions against air pollution, ______ suggested by the local government, will be seriously considered here.
- Many a professor _____ looking forward to visiting Germany now. Many scientists _____ studied animals and plants in the last two years.