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【单选题】
胎面是轮胎的外表面,可分为( )、胎侧和胎肩三部分。A.
轮头
B.
胎冠
C.
胎心
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【单选题】Animals are good for old people's health in the sense that animals ______.
A.
animals can look after them in hospital and home
B.
animals can be their good companions
C.
are more reliable than people
D.
can help them establish more social contacts
【判断题】生物再生生命保障系统技术还处于地面成果阶段，要将其应用于太空，还需要通过搭载航天器开展天基实验，通过天地对比获得矫正参数，从而对地面大系统实验获得的技术参数进行矫正，才能将其应用于太空。对吗？
A.
正确
B.
错误
【简答题】Animals like the lion are known as carnivorous (meat-eating) animals. They feed on smaller animals. But many other animals eat grass or plants. They are called herbivorous (plant-eating) animals. You ...
【单选题】The gasoline engine also called _________
A.
diesel engine
B.
Spark ignition engine
C.
Compression ignition engine
D.
All above
【单选题】Mark Bekoff ’ s Animal Manifesto urges more bond between______ A. Animals themselves B. Animals and humans C. Animals of different species D. Animals and their behaviors
A.
Animals themselves
B.
Animals and humans
C.
Animals of different species
D.
Animals and their behaviors
【判断题】生物再生生命保障系统技术还处于地面成果阶段，要将其应用于太空，还需要通过搭载航天器，通过天地对比获得矫正参数，从而对地面大系统实验获得的技术参数进行矫正，才能将其应用于太空。对吗？
A.
正确
B.
错误
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