A more immediate solution may come from plants themselves. _______ indicates that food crops such as wheat and rice could be genetically engineered to resemble plants like seaweed, which evolved salt tolerance long ago.
举一反三
- Genetically modified crops cannot be a possible solution to food crisis.
- That genetically-modified crops could have harmful effects that can be deduced from the fact that ______. A: cross-breeding is a natural process B: hybrids are generally more successful at breeding than natural plants C: gene movement between cultivated plants and wild ones is inevitable D: new research shows that genetically-modified plants are likely to develop into weeds
- Most plants use the sun’s light to produce food for themselves. ( )
- Which<br/>of the following crops are cross-pollinated crops () A: Rice B: Wheat C: Corn D: Rye
- How is food for plants made Food for plants is made ______. A: from water B: from the air in the sky C: from the soil D: from water, things in the soil and air and sunlight