Which of the following of Mars is true?
参考答案(由小熊题库网聘请的专业题库老师提供的解答)
请点击↑↑↑ 查看官方参考答案 按钮
习题解析
请点击 查看官方参考答案 按钮
您可能感兴趣的题目
1 .What does the word "emit" (L4, P1) probably mean?
A give out B turn out C figure out D send out
2 .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.
3 .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.
4 .As predators, ants_____.
A prey on small as well as large animals. B collect nutritious food from the soil C collect food as decomposers. D prey on species much higher up the food chain.
5 .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.
7 .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
8 .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
9 .Recently, the researchers found that_____.
A earth have magnetic shield to protect atmosphere B the solar wind is a stream of electrically charged particles C magnetic shield can protect us from the sun D earth is losing more atmospheres
10 .Which of the following statements is NOT true?
A Earth is losing atmosphere. B "Red Planet" is named by Romans. C Magnetic shield cannot protect atmosphere because of the charged particles. D Earth atmosphere will last for several more billion years.
