| Subquestion 1:B? Subquestion 2:D |
| Test Analysis: Subquestion 1:Solar radiation belongs to the short-wave radiation, which is able to penetrate through the glass or plastic trellis to make the Indoor warming, indoor ground warming after the release of ground radiation is blocked by the glass or plastic greenhouse, reducing the loss of heat; at the same time to reduce the greenhouse greenhouse inside and outside the exchange of heat, similar to the role of carbon dioxide insulation, can improve the heat conditions for crop growth, and the light, ventilation, humidity, and other factors to regulate. Therefore, option B is correct. Subtitle 2:A deep understanding of the meaning of the options, combined with basic knowledge judgment. Watermelon belongs to the fruit, almost no photosynthesis, so option A is wrong; watermelon "hanging", you can make full use of three-dimensional space, but will increase the agricultural input, so option B is wrong; greenhouses can be adjusted to the light, ventilation, humidity and other factors, so option C is wrong; greenhouses in the air temperature is high, conducive to the development of watermelon The watermelon is not a good choice, but it is a good choice for the watermelon. |