A.What can we do to help protect ecosystems?
B.What are different types of ecosystems?
C.What is an ecosystem?
D.What destroys ecosystems?
E.How does an ecosystem work?
F.Why are ecosystems important?
单选题 | 请在第____处填上正确答案。 | 查看答案 |
单选题 | In an ecosystem, plants, animals and humans live together in_______ | 查看答案 |
单选题 | 请在第____处填上正确答案。 | 查看答案 |
单选题 | Snake robots could move in only four directions. | 查看答案 |
多选题 | We can conclude from this passage that ballet_______. | 查看答案 |
单选题 | Paragraph 3_______ | 查看答案 |
单选题 | 请在第____处填上正确答案。 | 查看答案 |
多选题 | Who had an important influence on early ballet? | 查看答案 |
多选题 | Professional ballet was first performed in_______. | 查看答案 |
单选题 | I tried to detach myself the reality ofthese terrible events. | 查看答案 |
单选题 | We found shelter from the rain under thetrees. | 查看答案 |
单选题 | 请在第____处填上正确答案。 | 查看答案 |
多选题 | It can be learnt from what Radel says that_______. | 查看答案 |
多选题 | There is a mounting pressure on public lands to satisfy US energy demands_______. | 查看答案 |
单选题 | It seemed incredible that he had beenthere a week already. | 查看答案 |
单选题 | Choset's snake robots could make more movements than the ones others developed. | 查看答案 |
多选题 | This passage deals mainly with_______. | 查看答案 |
单选题 | To protect our ecosystems we should not use more than_______ | 查看答案 |
单选题 | Paragraph 4_______ | 查看答案 |
单选题 | Paragraph 2_______ | 查看答案 |