How to dispose ________ the nuclear waste is a pressing problem for scientists and politicians alike.
举一反三
- ________to get rid of waste ___a big problem for the human beings today. A: How; is B: What; is C: What; are D: How; are
- 中国大学MOOC: During the next two weeks the scientists _____ the problem of how to forecast and control disastrous weather.
- Who is to blame for the building of atomic bombs, politicians or scientists?
- The most pressing problem that any country faces is how to use its scarce natural resources. A: puzzling B: difficult C: terrifying D: urgent
- The most serious problem man is facing is thought to be （） A: the using of the earth’s resources B: the control over the waste of the natural materials C: how to slow down the increase of population D: how to stop the birth of new babies