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【简答题】
禾本科植物茎的维管束属有限维管束,由 、 和 三部分组成。
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皮皮学刷刷变学霸
举一反三
【单选题】Choose the correct description about earth.
A.
Earth burns and flares up
B.
Earth provides for sowing and reapng
C.
Earth moistens and descends
D.
Earth works towards transformation
【简答题】The Chicxulub crater in Mexico provides evidence that an asteroid hit Earth.
【单选题】The earth is the planet __provides us with everything we need, fresh air, clean water and so on. It ’s our duty to protect it .
A.
who
B.
that
C.
where
【单选题】What are the four things Earth provides to living things?
A.
air, food, water, and sunlight
B.
air, pets, toys, and shelter
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