一、选出下面单词中画线部分读音不同的一项。
错题整理
()1. A. wonder B. come C. cousins D. located
()2. A. natural B. walk C. freshwater D. fall
()3. A. turtle B. curious C. surface D. hurtful
()4. A. shoulder B. southern C. though D. coast
()5. A. simply B. ambition C. alive D. risky

1.D 2.A 3.B 4.B 5.C

1. 考查字母及字母组合发音：A项wonder中o发/ʌ/，B项come中o发/ʌ/，C项cousins中ou发/ʌ/，D项located中o发/əʊ/，故选D。
2. 考查字母及字母组合发音：A项natural中al发/əl/，B项walk中al发/ɔː/，C项freshwater中a发/ɔː/，D项fall中al发/ɔː/，故选A。
3. 考查字母及字母组合发音：A项turtle中ur发/ɜː/，B项curious中ur发/jʊə/，C项surface中ur发/ɜː/，D项hurtful中ur发/ɜː/，故选B。
4. 考查字母及字母组合发音：A项shoulder中ou发/əʊ/，B项southern中ou发/ʌ/，C项though中ou发/əʊ/，D项coast中oa发/əʊ/，故选B。
5. 考查字母发音：A项simply中i发/ɪ/，B项ambition中i发/ɪ/，C项alive中i发/aɪ/，D项risky中i发/ɪ/，故选C。

二、找出下面每小题中与所给单词音节数相同的选项。
()1. structure A. explorer B. freshwater C. degree
()2. development A. measurement B. condition C. successfully
()3. unusual A. waterfall B. climber C. survive

1.C 2.C 3.A

本题考查单词的音节数，需正确划分每个单词的音节：
1. 题干单词structure的音节数为2。选项A explorer（3个）、B freshwater（3个）、C degree（2个），故选C。
2. 题干单词development的音节数为4。选项A measurement（3个）、B condition（3个）、C successfully（4个），故选C。
3. 题干单词unusual的音节数为3。选项A waterfall（3个）、B climber（2个）、C survive（2个），故选A。

一、根据句意和首字母或汉语提示拼写单词。
1. Many people are （想知道）about the beauty of natural wonders like the Northern Lights.
2. The biodiversity（生物多样性）in the deep sea is more （不寻常的）than that in shallow waters.
3. The water l in different lakes vary due to rainfall.
4. The （表面）of the Earth and the Moon are different in several ways.
5. Many marine animals live b the surface of the ocean.
6. The average d of the Pacific Ocean is about 4, 000 metres.
7. Life can be found even at the b of the deepest oceans.
8. The temperature rose by ten d today.
9. Few plants can （生存）in such dry conditions.
10. The weather in the mountains is more c than that in the cities.

1. wondering 2. unusual 3. levels 4. surface 5. below 6. depth 7. bottom 8. degrees 9. survive 10. changeable

本题为根据句意及首字母或汉语提示拼写单词的题型，需结合八年级英语Unit4《The Wonders of Nature》相关词汇，分析每个句子的语境、首字母或汉语提示，确定符合语法和语义的正确单词。