Ⅳ. Listen, choose and write（Xiaopu, Xiaojiang 和 Xiaotian 在听讲解员解说一些能预报天气的植物。听录音，选择正确的词组填空，完成下面的概要，把字母代号写在横线上）
A. good
B. close
C. rolled up
D. the air is dry
E. on rainy days
F. by the wind
G. wet and heavy
H. The leaves
Ⅰ. the seeds
J. the weather
On dry days, pine cones are open. This is because the dry air makes them spread out. However,
1. , pine cones 2. . They do this to protect 3. inside from getting wet.
Dandelions (蒲公英) can also give us a sign about 4. . When 5. , the fluff (绒毛) of dandelions is very fluffy and easy to be blown away 6. . But when it’s going to rain, the fluff becomes 7. and it doesn’t fly away easily.
8. of cabbage can tell us about the weather too. If the leaves are spread out, it usually means the weather is 9. . But if the leaves are 10. tightly, it may tell us that rain is coming.

1. E 2. B 3. I 4. J 5. D 6. F 7. G 8. H 9. A 10. C

Ⅴ. Listen and choose（来听一听Xiaopu, Xiaojiang 和 Xiaotian 参观植物园的过程，选出正确的答案）

() 1. The long stem can help the tulip .
A. catch a lot of sunlight
B. make food for the plant
C. stand up straight
D. give some shade
() 2. The special shape of the ice cream tulip may .
A. make it easier for insects to land on it
B. help with pollination (授粉)
C. make it look beautiful
D. Both A and B.
() 3. The creepers' leaves are to .
A. give some shade
B. make the wall a bit cooler in hot weather
C. float on the wall
D. Both A and B.
() 4. The coating on the big leaves of the water lilies can .
A. make water roll off (滚落)
B. keep the leaves dry
C. float on the water
D. Both A and B.

1. C 2. D 3. D 4. D

Ⅰ. Read and choose（读一读，选出与所给单词画线部分发音相同的单词）
() 1. flower A. poster B. snow C. owl
() 2. around A. cone B. out C. country
() 3. grow A. cow B. how C. low
() 4. hold A. so B. about C. house
() 5. down A. know B. brown C. blow

1. C 2. B 3. C 4. A 5. B
重点详解:
1. “ow”在单词中的两种核心发音——/aʊ/和/əʊ/。需通过题干单词定位发音,再匹配选项。如:1. flower /ˈflaʊə(r)/ → “ow”发/aʊ/,再逐一核对选项发音,选项C. owl /aʊl/→/aʊ/,与题干一致,所以选C。排除发音不符的选项A. poster /ˈpəʊstə(r)/→/əʊ/和选项B. snow /snəʊ/→/əʊ/。

【分析】
本题考查英语单词中字母（组合）的发音辨析，解题思路为：先确定题干单词画线部分的发音，再逐一核对选项中对应字母（组合）的发音，排除发音不符的选项，最终选出发音与题干一致的答案。
【解析】
1. 题干单词flower中画线部分ow发音为/aʊ/。选项A poster中o发音为/əʊ/，选项B snow中ow发音为/əʊ/，选项C owl中ow发音为/aʊ/，故选C。
2. 题干单词around中画线部分ou发音为/aʊ/。选项A cone中o发音为/əʊ/，选项B out中ou发音为/aʊ/，选项C country中ou发音为/ʌ/，故选B。
3. 题干单词grow中画线部分ow发音为/əʊ/。选项A cow中ow发音为/aʊ/，选项B how中ow发音为/aʊ/，选项C low中ow发音为/əʊ/，故选C。
4. 题干单词hold中画线部分o发音为/əʊ/。选项A so中o发音为/əʊ/，选项B about中ou发音为/aʊ/，选项C house中ou发音为/aʊ/，故选A。
5. 题干单词down中画线部分ow发音为/aʊ/。选项A know中ow发音为/əʊ/，选项B brown中ow发音为/aʊ/，选项C blow中ow发音为/əʊ/，故选B。
【答案】
1.C 2.B 3.C 4.A 5.B
【知识点】
英语字母组合发音、单词音标辨析
【点评】
本题聚焦常见字母（组合）的基础发音，需学生掌握核心发音规则，通过逐一比对发音解题，属于英语基础题型，难度适中。
【难度系数】
0.4