[請益] 請問這幾則笑話的笑點

[scju (QQ)]

大家好
請問一下以下幾則笑話的笑點，括號是我的想法。謝謝！
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1.PURE GENUS
Why aren't koalas actual bears? They don't meet the koalafications.

(為什麼無尾熊不是真的熊，因為他們沒有「無尾熊純化」....？)
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2.VOICE PROFILING
Men are attracted to women with a raspy voice. We think: Hey, maybe she's all
done yelling.

（男人會被聲音粗獷的女人吸引（會嗎？）但她可能常大叫....？）
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3.THIRSTY WORK
Max the baby camel walks into his parents' room at 3am and asks for a glass
of water.
"Another one?" says his dad. "That's the second glass this month."

（笑點是跟駱駝的雙峰有關嗎....？）
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4.CRIMINALLY INCLINED

A policeman pulled me over last night. He said, "You've got a headlight out,
your rear tyre is completely flat, you've got an open drink in your hand and
you're not wearing a seat belt!"
I said, "I'll see you tomorrow then."
"What's that supposed to mean," he demanded.
I said, "Hang on a minute, pal. I'm on the phone."

（警察盤問駕駛，最後發現他是在講電話，笑點是....？）
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推 silhouettes: 1 音同qualification 吧
→ silhouettes: 沒有當無尾熊的資格
→ silhouettes: 4 應該是指 警察說很多他違規事項
→ silhouettes: 結果駕駛人還自爆自己在講電話
推 HwaSIn: 這哪裡找來的資料，不錯耶
→ scju: 讀者文摘裡面的....
推 adriana92322: 2. 男人容易受聲音粗曠的女人吸引，因為他們覺得:
→ adriana92322: 她應該已經吼夠了