Yuan once said he had two dreams — to “enjoy the cool under the rice crops taller than men” and that hybrid rice could be grown all over the world to help solve the food problem of the whole world.1. What does the underlined word “starved” in paragraph 2 mean in Chinese? A.挨...
One morning, we took a different route, which led us to an unfamiliar trail. I was sure this trail would eventually lead us to our familiar 40 . But, no. We seemed to be far off course. After two hours, I suddenly realized that Beans probably 41 the way home. So I urged, "Beans...
It sounds too good to be true, but scientists have started using AI to help communicate with animals. Professor Bake toldScientific Magazinethat AI allows humans to use technology to watch and understand the sounds and signals animals communicate with so we humans can try to speak back to them...
Kites have been used for scientific purposes in the western world. In 1752,Benjamin Franklin tied a key to a kite and flew it in a storm to find out that lightening was a form of electricity. In the 1890s,Lawrence Hargrave invented the box kite to test ideas about flight. From 1898 un...
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B. Looking closely at things you are concerned about can lead to scientific research. C. Renato’s improvement of the bicycle has solved the country’s great problem. D. Renato’s special bicycle will soon be put into use in remote areas.’48. The underlined word “address” in the third...
We also need more people who want to teach science and do scientific research." But there was bad news from Professor George Benson, a research scientist and university Science teacher, who was also at the conference." Science courses at university are very good," he said, "but there’s ...
C.visiting an exhibition D.doing scientific reasoning50.The underlined word “it” in Paragraph 2 refers to ___. A.active learning B.knowledge C.communication D.passive learning51.The author mentions the game Rumor to show that ___. A.a message may be changed when being passed on B....
C.informative but sillyD.scientific and informative 点击展开完整题目 查看答案和解析>> 科目:来源:题型: 【题目】The year was 1859. America and England had already fought two wars. Now, they were at peace. But one day a pig got hungry. And it nearly caused another war between the two count...
The researchers concluded that there is no scientific proof to support that average, healthy people need to drink at least 8 glasses of water each each day. The website medheadines.com says that, according to an Indian doctor, drinking too much water is harmful. If water enters the body ...