A: abreast
B: ventilate
C: abbreviation
D: vegetation
举一反三
- This area is full of ______rocks. It is difficult to grow trees or plants here. A: tough B: rough C: solid D: strong
- n. an area of tropical forest where trees and plants grow very thickly A: length B: lorry C: jungle D: lumber
- There are fewer plants, trees and flowers in Holland now because ______. A: there has been a lot of conservation in Holland B: Holland does not need so many plants, trees and flowers C: many plants, trees and flowers don't grow there any more D: some plants, trees and flowers are dangerous
- 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
- —— What are they doing over there?——They ___trees on the hill. A: plants B: plant C: will plant D: are planting
内容
- 0
Taking care of trees, flowers and plants __________ not easy, but very time-consuming. A: are B: being C: to be D: is
- 1
One-third of the area _______ covered with green trees, and about seventy percent of trees _______ been planted. ( ) A: are; has B: is; has C: are: have D: is; have
- 2
the trees and other plants in a large densely wooded area 未知类型：{'label': 'questionDesc', 'content': '请根据题干的描述选择合适的词语。', 'isMemberControl': 0, 'type': 181} A: first B: parents C: woods D: key
- 3
From the passage, we learn that<br/>_______________. A: all plants can eat people B: all plants can eat<br/>animals C: some plants can eat people some plants can eat<br/>animals
- 4
_____ of this area _____ covered with green trees and grass. A: Three-fourths; is B: Three-fourths; are C: Three-fourth; is D: Three-fourth; are