What does the robot look like?

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参考答案

细节理解题。读第二段第四句话，The robot，a large radio-controlled four-legged mechanical spider可知，这种新型的产品像一只大蜘蛛。所以正确的答案为B。

1 The biggest advantage of this product is that__________.

A．[ A ] it will be faster and cheaper than manual labor

B．[ B ] it can climb mountainsides, drill holes, insert bars and cement

C．[ C ] it can collect data on the slope' s stability

D．[ D ] it can drill without a human being on board

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2 听第下列材料，请回答题：

Which of the following gives a general idea of how the noise killing system works?

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3 Besides its main use the noise killing system can__________.

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