25.We hope that our research will have a(n) _______ on the environment, especially the quality of air in cities.
A: pact
B: package
C: impact
D: compact
A: pact
B: package
C: impact
D: compact
举一反三
- We hope that our research will ___________ the environment, especially the quality of air in cities. A: sum up B: respond to C: fall into D: have an impact on
- How many cities<br/>will have air quality monitoring systems installed by the end of this<br/>year?() A: 42 cities. B: 220 cities. C: 150 cities. D: 262 cities.
- We __________________ to start our own business, but we never had enough money. A: have hope B: hope C: had hoped D: should hope
- We are lucky to have the most up-to-date equipment in our laboratory, with which we can complete our research in time.
- You can trust our product as we have control over its quality