例题1:(大庆中考)Owls use sound to hunt. Their ears are special—the left ear is a bit higher than the right ear. A sound goes in one ear before it arrives in the other. This helps owls tell which direction a sound is coming from. So they have a good sense of hearing.
3. Why do owls have a good sense of hearing?
A.Because they have large ears.
B.Because their ears can turn around.
C.Because a sound can only go into their left ears.
D.Because their left ears are higher than the right ears.
解析:D 直接理解题。根据“the left ear is a bit higher than the right ear ... So they have a good sense of hearing”可知猫头鹰的左耳比右耳高,这有助于它们判断声音的方向,因此它们有很好的听觉。
3. Why do owls have a good sense of hearing?
A.Because they have large ears.
B.Because their ears can turn around.
C.Because a sound can only go into their left ears.
D.Because their left ears are higher than the right ears.
解析:D 直接理解题。根据“the left ear is a bit higher than the right ear ... So they have a good sense of hearing”可知猫头鹰的左耳比右耳高,这有助于它们判断声音的方向,因此它们有很好的听觉。
D
答案
3. D 直接理解题。根据“the left ear is a bit higher than the right ear ... So they have a good sense of hearing”可知猫头鹰的左耳比右耳高,这有助于它们判断声音的方向,因此它们有很好的听觉。
训练1:(资阳中考)Three-quarters of the world's flowering plants depend on bees and other animals to grow. When bees fly from plant to plant, they carry pollen(花粉). The pollen makes new plants grow.
2. How can bees help plants grow?
A.Making honey.
B.Carrying pollen.
C.Driving birds away.
D.Using special chemicals.
2. How can bees help plants grow?
A.Making honey.
B.Carrying pollen.
C.Driving birds away.
D.Using special chemicals.
答案
2. B 直接理解题。根据“When bees fly from plant to plant, they carry pollen. The pollen makes new plants grow.”可知蜜蜂通过携带花粉帮助植物生长。
例题2:(德州中考)Though not proven, many scientists believe that periodical cicadas(周期蝉) have a molecular clock(分子钟) inside their bodies that notes the passing of years through environmental signs.
3. How do cicadas know when 17 years have passed according to scientists?
A.By feeling the environmental changes.
B.By climbing up trees.
C.By testing the temperature.
D.By getting information from adult cicadas.
解析:A 语义转换题。根据“periodical cicadas have a molecular clock inside their bodies that notes the passing of years through environmental signs”可知蝉通过感受环境的变化来知道时间的流逝。
3. How do cicadas know when 17 years have passed according to scientists?
A.By feeling the environmental changes.
B.By climbing up trees.
C.By testing the temperature.
D.By getting information from adult cicadas.
解析:A 语义转换题。根据“periodical cicadas have a molecular clock inside their bodies that notes the passing of years through environmental signs”可知蝉通过感受环境的变化来知道时间的流逝。
答案
3. A 语义转换题。根据“periodical cicadas have a molecular clock inside their bodies that notes the passing of years through environmental signs”可知蝉通过感受环境的变化来知道时间的流逝。
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