坚定“四个自信”,具体指的是要坚持道路自信、理论自信、文化自信、政治自信。
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Listen to the recording three times; In the meantime try to fill in the gaps in the passage below with the exact words you have heard.The crows(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 birds 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(猿).
After ListeningComplete 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____some animals have intelligence.
出入肾门的结构不包括:
A. 肾动脉
B. 肾静脉
C. 肾盂
D. 输尿管
E. 神经
下列器官不属于泌尿系统的是:
A. 肾
B. 输尿管
C. 膀胱
D. 尿道
E. 前列腺