更多"Scientists in India have discovered"的相关试题:
[填空题]Scientists in India have discovered a way to make bamboo plants produce flowers in laboratory. The British (36) Nature recently reported the (37) event. In the wild it can take as long as one hundred and twenty years for some kinds of bamboo to flower, and after the plant (38) its seeds it dies. The bamboo plant is used in many different ways. But because it takes so long to produce seeds, scientists never (39) it a traditional farm crop. The recent (40) in India may change that. The (41) was done at the National Chemical Laboratory in India. Three scientists cut two hundred pieces from two different kinds of bamboo plants; each was a few (42) long. The tiny cuttings were placed in the (43) of coconuts milk, plant-growth hormone and other nutrients. Just a few weeks later, flowers began to appear. (44) . Two weeks after that the plants began to produce seeds. (45) . One of them
