國中 解答

右圖為分別以銅片及石墨為電極的電解硫酸銅實驗裝置圖。關於兩個電解槽發生的化學反應之敘述,何者正確?

右圖為「電解水」這個實驗的裝置,下列敘述何者錯誤?

下列哪個現象不屬於電流的化學效應?

關於碳鋅電池與鹼性電池的敘述,何者錯誤?

小鈴要進行電鍍實驗,她將實驗器材裝置好如右圖所示。下列敘述何者正確?

下列哪個選項中所需要的電能剛好是 1 度?

將一個市售的車用鉛蓄電池連接一個電阻為 6 歐姆的電器,下列敘述何者錯誤?

下列關於台灣電力輸送的敘述,何者錯誤?

某種形式的電其電流與時間的關係如右圖所示,關於此種電的敘述,何者正確?

下列關於電能的敘述,何者錯誤?

九年甲班的四位同學對於日常生活中的現象提出了自己的看法,請問誰的看法是錯誤的?

已知 2.62=6.76,2.72=7.29,2.82=7.84,2.92=8.41,將 8 標示在數線上,則下列圖形中,哪一個點所表示的數 最接近 8 ? 2 3 2.5 A B C

如圖,兩同心圓中,若 AB 的長為 12π,扇形 COD 的周長為 48+8π, O C 則大圓的半徑為多少? (2-1、2-2)

如圖,永和遊戲場滑板坡道的坡度百分比為 15%,已知此坡道的水平距離 E AC 為 30 公尺,則其鉛直高度 BC 為多少公尺? (1-4) D

花生中的脂質會先被膽汁乳化,後被胰臟分泌到小腸的 哪一種細胞發揮功能?【4-3】 酵素給分解

戊為保衛細胞,無葉綠體,能行光合作用

Jennie’s house.

You bet. It tastes good.

I went outside to do sports.

Spring has more rain than winter.

調解書經警察局核定後,與法院判決效力相同 40.就讀新埔國中八年級的小凱在學校上體育課時,在打籃球過程中不小心撞到同學眼鏡,結果眼 鏡摔到地面鏡片破裂。請問有關小凱對同學應負起的法律責任,下列何者正確?(L2)

Tom was reading newspaper. He saw the phrase “going viral” and he didn’t know what it meant. Dylan’s dancing cat video is going viral. No more than two days, his video got millions of watchers. In the video, his cat moved and jumped with the music on TV. Many people said they couldn’t stop laughing when watching the video. People then started to make their funny pet videos and put them on the Internet. He found the meaning of “virus” and “viral in a dictionary. “Virus” is a small living thing that makes people sick. “Viral” is the adjective of virus. Which is the meaning of “going viral” ?

Ray: I hope I can get better grades on final tests. Miss Lin: You will if you _________ harder.

Hank still got to school early _________ he studied all night for the test.