The Salamander

文章大意

本文介绍蝾螈这种两栖动物：它常被误认为蜥蜴，皮肤湿润可呼吸，身上有斑点用于伪装或警告。蝾螈能再生心脏、四肢甚至部分脊髓，是再生医学研究热点。它们吃小型昆虫，参与碳循环，但栖息地土壤污染、农业径流和气候变化正威胁其生存。

题目与答案

1. Features

   ·The salamander is often mistaken for a 31_____ because of its body shape.

   答案：lizard

   原文定位：A salamander is a fascinating amphibian that is often mistaken for a lizard due to its elongated body, short legs, and tail

   同义替换：「because of」↔「due to」

2. ·Some salamanders have distinctive 32_____ that help them camouflage warn predators.

   答案：spots

   原文定位：One of the most distinctive features of many salamanders is their spots, which serve as a form of camouflage or warning to potential predators

3. ·These amphibians have the remarkable ability to regenerate their limbs, spinal cord, and even their 33_____ .

   答案：heart

   原文定位：They can regenerate their heart, limbs, and even parts of their spinal cord

4. Habitat and Ecological Role

   ·Salamanders often inhabit damp environments where 34_____ accumulate on the forest floor.

   答案：leaves

   原文定位：Their diet consists of small insects, worms, and other invertebrates, often found in damp environments where leaves accumulate on the forest floor

5. ·By consuming leaf-litter insects, salamanders help regulate 35_____ level in ecosystems.

   答案：carbon

   原文定位：By consuming leaf litter insects, they indirectly help regulate carbon levels in ecosystems, preventing excess decomposition that releases carbon dioxide into the atmosphere

6. · Their survival depends on healthy 36_____, which they use for laying eggs and seeking refuge.

   答案：soil

   原文定位：However, their survival is heavily dependent on the health of their habitat, particularly the soil, where they lay eggs and seek refuge

7. Threats and Human Interaction

   ·A major threat to salamanders today is environmental 37_____, which contaminates their habitats.

   答案：pollution

   原文定位：One of the biggest threats to salamanders today is environmental pollution

   同义替换：「major」↔「biggest」

8. ·Historically, salamanders have been used in traditional 38_____ for their perceived healing properties.

   答案：medicine

   原文定位：Despite these challenges, salamanders have long been valued in traditional medicine

   同义替换：「Historically」↔「have long been」

9. ·In their larval stage, some species resemble a 39_____ due to their external gills.

   答案：frog

   原文定位：Interestingly, salamanders are sometimes confused with a frog, especially in their larval stage, when they have external gills similar to those of tadpoles

   同义替换：「resemble」↔「are confused with」

10. ·Climate change is a significant threat, as fluctuations in 40_____ affect salamander survival and breeding patterns.

    答案：temperature

    原文定位：Finally, temperature plays a crucial role in their survival. Since they rely on external sources of heat, fluctuations in temperature due to climate change pose a significant threat to their populations, affecting their breeding patterns