选材规范、标准演练；循序渐进、梯度提升；题量丰富、有效提高；技巧同步、一语中的；缩略速记，全面覆盖。
The giant panda has a very 1._______ black-and-white coat, and adults 2._______ around 1.5 meters long and around 75 centimeters tall at the shoulders. Males and females can weigh up 3._______ to 253 pounds and 220 pounds. Giant pandas live in 4.________ regions, such as Sichuan, Gansu and Tibet. And the panda has also become an informal national 5.________ for China, and its 6.________ is found on many Chinese gold coins. Despite being a type of animal living on meat, the panda's diet is 7._______ plants which almost 8._______ consist of bamboo. This is an 9._______ recent 10._________ . However, panda lack a proper chemical substance to 11.________ bamboo efficiently, and thus 12._______ little energy and protein from it. Now what worries us most is that giant pandas are an 13._______ species, threatened by continued 14._______ loss and by a very low 15._______ , both in the wild and in the zoo.
<注意>填横线处的单词，一行一个。
distinctive
measure
respectively
mountainous
emblem
image
primarily
exclusively
evolutionary
adaption
digest
derive
endangered
habitat
birthrate
庞大的熊猫有一身与众不同的黑白相间的皮毛并且成年熊猫身长1.5米，身高至肩膀大约0.75米。雄性熊猫和雌性熊猫各自能够重达253磅和220磅。庞大的熊猫栖息在多山的地区譬如四川、甘肃和西藏。同时熊猫也成为中华名族的象征，能够在许多中国的金币上发现它的形象。即使是典型的食肉动物，熊猫的主食还是专门包涵竹子成分的植物。这是近些年的进化。然而，熊猫体内缺乏一种特定的化学成分去有效地消化竹子，因此从竹子中几乎得不到能量与蛋白质。现在最让人担心的是，对无论在野外的还是在动物园中的熊猫来说，他们已成为不断受栖息地缺失以及出生率低威胁的濒危物种。
——译文来自: dgg1230