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更多“零输入响应是指动态电路在输入信号为零时的响应。”相关的问题
Listen to the passage three times and fill in the blanks.
The crows (乌鸦), which are found on the South Pacific island of New Caledonia, are able to use tools. To test the birds' tool-using talents scientists set seven ________(1) birds a tricky task. The
crows were ________(2) with a piece of meat, which was tucked away (被藏起来), out of reach, in a box; a small stick, which was too short to reach the food; and another longer one, which was long
enough to reach the food, but was ________ ________(3), in another box, quite hard to reach. The birds surprised the scientists with their ________ ________(4). The creative thing the crows did was to use the short stick to ________ ________ ________ ________ ________ ________ ________ ________ (5) so that
they could then use the long stick to get the meat. What was most ________(6) was that most of them did this on the first trial. The first time the scientists gave them the problem ________ ________
________ ________ ________(7) managed to do the right thing. The scientists believe that because the bids were able to solve the problem ________ ________ ________ ________(8) they were using analogical reasoning (类比推理). Analogical reasoning is the process of solving a problem using ________(9) gained from solving related previous problems. This kind of reasoning is ________ ________ ________ ________(10) and possibly in great apes (大猩猩).
After Listening
Complete the following statements according to what you have heard.
1. Scientists have discovered that a kind of crow can use ________ and analogical ________.
2. We may infer from the passage it is ________ that some animals have intelligence.
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