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【单选题】
能够使植物根、茎伸长生长主要是( )组织的细胞分裂活动的结果。A.
维管组织
B.
顶端分生组织
C.
次生分生组织
D.
侧生分生组织
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举一反三
【单选题】According to the passage, all of the following contributed to deforestation EXCEPT
A.
the expansion of agriculture
B.
an increase in forest fires
C.
the use of charcoal as a fuel
D.
steamboat transportation
【简答题】What causes the deforestation and threatens the existence of Amazon forest?
【单选题】The word “deforestation” in paragraph 3 means
A.
forest damage caused by pollution
B.
moving population from forest to cities
C.
the threat of climate change
D.
cutting large areas of trees
【单选题】Which of the following is NOT mentioned as a cause for urban deforestation?
A.
Insect pests.
B.
Real estate development.
C.
Lack of fund.
D.
Government reshuffling.
【简答题】试述 需 求 量变动与需求变动 的 区 别以 及 供 给量变动与 供给变动的区别, 并举 例说明 。
【单选题】It's decided that the present rate of deforestation(毁林) ______to continue.
A.
will not be allowed
B.
is not allowed
C.
would not be allowed
D.
should not be allowed
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