四、根据画线部分的发音规则选一选。
A. think B. gain C. corner D. low E. thirty
1. Snow is cold and white.
2. Thank you, Mum.
3. It's rainy in Hangzhou.
4. I have a blue shirt.
5. Jim is short and thin.

1. D 【解析】字母组合ow在Snow和low中均发/əʊ/。
2. A 【解析】字母组合th在Thank和think中均发/θ/。
3. B 【解析】字母组合ai在rainy和gain中均发/eɪ/。
4. E 【解析】字母组合ir在shirt和thirty中均发/ɜː/。
5. C 【解析】字母组合or在short和corner中均发/ɔː/。

五、判断句子中画线部分的发音是(T)否(F)相同。
()1. I am painting a rainbow now.
()2. I often play sports in the morning.
()3. My brother likes winter.
()4. There are three books on the desk.
()5. The girl wears a pink skirt today.

1. F 【解析】rainbow/əʊ/ now/aʊ/
2. T 【解析】sports/ɔː/ morning/ɔː/
3. T 【解析】brother/ə/ winter/ə/
4. F 【解析】There/ð/ three/θ/
5. T 【解析】girl/ɜː/ skirt/ɜː/