2. There is no simple _____________ to the problem of overpopulation.
A: A. unique
B: B. obstacle
C: C. solution
D: D. achieved
A: A. unique
B: B. obstacle
C: C. solution
D: D. achieved
举一反三
- 4. Each person’s fingerprints are _____________. A: A. unique B: B. obstacle C: C. solution D: D. achieved
- There is no simple ____ to the problem of overpopulation. ( ) A: solutions B: solution C: to solve D: solves
- There is no simple _____________ to the problem of overpopulation. A: solution B: documentary C: achieve D: propose
- There is no simple ____________ to the problem of overpopulation.
- We must give____________attention to the problem of pollution. A: A. regarding B: B. concerning C: C. considerate D: D. considerable