As predators, ants_____.
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1 .What is the passage mainly about?
A The relationship between bees' individual motion and the hive's overall success. B The process of a scientific experiment about the robot-roaches and the real ones. C How millions of brain cells give rise to thoughts. D How to invent a robot that human beings would accept.
2 .The aim of the experiment carried out in Belgium is ____.
A to make the robots be cousins with the biological roaches. B to get the robotic and biological roaches to cooperate on common task. C to figure out how individual's behavior leads to a collective decision. D to make the robots look and smell like the real ones.
3 .What does the word "emit" (L4, P1) probably mean?
A give out B turn out C figure out D send out
4 .What did the real cockroaches do when the robot-roaches made an inappropriate decision?
A Some of them headed toward the dark areas. B Many followed the collective to a lighter shelter. C All of them followed the collective to a lighter shelter. D Most of them stayed still.
5 .What can we learn about the feature of the robot-roaches?
A They look much like the real roaches. B The programming of them will never be overridden by the real roaches. C They can behave like the natural cockroaches. D They can emit the same molecules that roaches use to identify their kin.
7 .Dir Sanders' study centered on how ants_____.
A can manage to thrive in huge numbers. B defend their resources and territory against other predators. C attack those invading animals for survival. D produce such a big impact on the environment.
8 .Which of the following of Mars is true?
A Mars is the fourth planet in space. B The color of Mars is red or pink. C Red Planet is the other name of Mars. D Mars is named by stargazers.
9 .The aim of MAVEN is to find out_____.
A why Mars has water stream on the surface B why the vestigial atmosphere is still slowly dissipating into space C why Mars has a thick atmosphere D why rocks, soil and sky on Mars are red or pink
10 .The atmosphere on Mars becomes even thinner because_____.
A the magnetic shield on Mars has gone B Mars atmosphere is volatile C the solar wind continuously flows into space D the water on Mars has gone
