A7. 植物适应恶劣气候的方式 (Method of survival in extreme weather)

哪项有关植物适应恶劣气候和季节转换的方法的说明是正确的？

Which statement about the methods of survival of plants in the extreme weather is correct?

• 植物肥厚的茎可以避免流失过多的水分

  The thick stems of plants can avoid losing too much water

• 植物呈针状的叶子可以避免流失过多的水分

  The needle-shaped leaves of the plant can avoid losing too much water

• 植物卷曲的叶子可以贮存较多的水分，能避免在热天时枯萎

  The curled leaves of the plant can store more water and avoid withering on hot days

• 植物呈羽状的叶子可以减少阳光直接照射的面积，从而减少水分的流失

  The fringed leaves of the plant can reduce the area of ​​direct sunlight, thereby reducing the loss of water

如果连续三个月没有下雨，芋会如何适应干旱的气候？

If it has not rained for three consecutive months, how will the yam survive in the hot weather?

• 将根延伸到土壤深处

  Extend the roots deep into the soil

• 将水分贮存在肥厚的茎

  Store water on thick stems

• 以落叶的方式保存水分

  Preserve moisture in the form of fallen leaves

• 卷曲叶子以减少水分的流失

  Curling leaves to reduce water loss

生长在强风地区的植物通常具有以下哪项特征？

Which of the following characteristics belong to the plants that grow in strong wind areas ?

• 长根 Long roots

• 羽状叶 Long fringed leaves

• 肥厚的茎 Thick stem

• 卷曲的叶子 Curled-up leaves

玉蜀黍和香蕉叶都有卷曲的叶片。

Both maize and banana have curled-up leaves.

上述特征有什么功能？

What are the functions of the above features?

• 适应季节的转换 Seasonal change

• 使动物皮肤发痒 Itchy animal skin

• 抵御强风吹袭 Defend against strong winds

• 减少水分的流失 Reduce water loss

以下说明有关仙人掌适应干旱气候的特征, 除了

The following are the characteristics of the cactus to survive in hot weather except

• 有粗厚的茎 Have thick stem

• 有针状叶 Have long fringed leaves

• 有深入地底的根 Have deep roots

• 表层有细毛 Have fine hair on the surface

旱季时，橡胶树的叶子会脱落。

During the dry season, the leaves of the rubber tree fall off.

根据上述说明，做出推断。Make an inference based to the above description.

• 为了减少风的阻力 To reduce wind resistance

• 为了引开动物的视线

  In order to draw the eyes of animals

• 为了使树身不会干枯 Prevent the tree from drying up

• 为了减少水分的流失 To reduce the loss of water

以下哪项是木麻黄适应恶劣气候的特征？

Which of the following is the characteristic of Casuarina survive in extreme weather?

• 有能贮存水分的茎

  Has a stem that can store water

• 会发出难闻的气味 Will emit an unpleasant smell

• 防止水分流失的针状叶

  Needle-shaped leaves prevent water loss

• 通过落叶的方式保留水分

  Retain water by falling leaves

以下哪些是植物适应干旱的气候的方法？

Which of the followings are the methods of plants to survive in hot weather? (more than one answer)

• 针状叶 Needle-shaped leaves

• 羽状叶 Long fringed leaves

• 柔韧和有弹性的茎 Supple but resilient trunks and stems

• 卷曲叶 Curled-up leaves

• 落叶 Deciduous leaves