【单选题】Most people have no idea of the hard work and worry that gointothe collecting of those fascinating birds and animals that they pay to see in the zoo.One of the questions that is always asked of me is ...
【简答题】There was great interest when a big hole mysteriously appeared in the middle of a field. Engineers were called in to explain how it had got there. They offered various explanations but were not at all...
【单选题】Which of the following statements is NOT true according to the given article?
A.
Adapting the infrared scanning technology developed for military purposes and other satellites, physicist Stephen Paley came up with a quick way to take the temperature of crops to determine which ones are under stress.
B.
The goal of applying infrared scanning technology was to let farmers precisely target pesticide spraying rather than rain poison on a whole field.
C.
Paley's Remote Scanning Services Company could detect crop problems before they became visible to the eye.
D.
In spite of meeting with financial problems, Paley's company has been struggling to keep operation until now.