國中 解答

有一個質量 21.6 公克、邊長 2 公分的正立方體鋁 塊,若將其對切成兩半,則半個鋁塊的密度為多 少公克∕立方公分?

( )根據新聞報導:臺南今天的 AQI 值已經達到「紫 爆」等級,提醒民眾不要待在戶外。附表為 AQI 值對應健康的影響,請問 AQI 值代表為何?所謂 「紫爆」等級又是指 AQI 值達多少以上? 對 健 康 影 響 良 好 AQI 0~ 50 普 通 對敏 感族 群不 健康 對所 有族 群不 健康 非 常 不 健 康 危 害 51~ 100 101~ 150 151~ 200 201~ 300 301~ 500

菀薷整理了「誤差」概念的筆記,下列內容何者 錯誤?

在過 所示,哪臺車將會被偵測為 去 20 年間,此種變化會導致在三 角洲一帶的港口需要 超速車輛?

下游河段遭濫採砂石。 t (秒) 7.承第 5 題,t 秒時哪一輛車在最前面 19.礦物要成為珍貴的寶石,通常需具備下列何種性質?

當河川 何者速度最快? v

30 論,何者錯誤?

工業化前環境對淺色蛾生存比較有利 的現象?

蟑螂的密度比清潔劑大,所以沉入水中,窒息 耳數比為多少?

原子的質量比為 4:9,請推測 X 原子的原子量為 何?

AD = BC, AB =

且 AD =12, EF =16, 長 為 32 公分,且 AB =7 公分,求 BC 的長? DG =14。求 BC 的長? B

11歲的小馨半夜唱歌。

民國 68 年,美 素?

worried about 33.

She has to hand in the report today.

He just cleaned the bathroom. bread.

There are always a lot of people waiting in line.

It will probably rain in the afternoon. sick.

CD: M: My friends and I were in London last week. It’s a big city. Many visitors visit it every year. They usually visit beautiful museums there. And I was in some of the museums last Sunday. I like these beautiful buildings, but I don’t like the weather there. It is usually rainy and cloudy in London. Q: What can we know from the talk? ___

CD: M: This place is nice. There aren’t many cars on the streets, and it’s near an MRT station. Oh, there are also some food stands! W: Let’s go to one more place. M: Where? W: A night market opens every day around five. We just need to walk five minutes to get there. M: Great. Q: What can we learn from the talk? ___

CD: M: Hi, Sandy. Do you see my Sweetpea? W: No. Are you giving her a shower again? M: Yes, and she’s running away. She always does that. W: Of course she does. Cats don’t like water. Q: Which is true?___

CD: W: Jimmy, don’t put fingers in your mouth! B: But there’s some butter on my fingers. W: Just wash it away. Don’t eat it. B: OK. Q: Which is true? ___