國中 解答

大氣中含量最多的氣體是下列何者?

壓是100V,試問:下列敘述,何者錯誤?

如右圖所示的電路中,流經 3 歐姆、6 歐姆、4 歐姆電阻器 的電流分別為 I1、I2、I3,則 I1:I2:I3=?

若電流通過一個燈泡,在 2 秒內消耗了 100 焦耳的能量,則燈泡的電功率是多少

有關鉛蓄電池的敘述,下列何者錯誤?

在附圖電路中,有幾個燈泡不會發亮?

有關電池,下列敘述何者正確?

小咪新添購一臺電磁爐,附圖為電磁爐的電器規格,請問下列敘述何者正確?

電力公司會在家庭或工廠用戶端裝瓦時計(電表),它是用來記錄何種物理量的儀器?

一電鍋標示電功率為 800W,下列關於「800W」的敘述何者正確?

附圖為以碳棒為電極的電解硫酸銅水溶液的實驗裝置,則下列敘述何者正確?

判斷下列各二次函數中,何者的圖形開口向上?

Which of the following statements about crows is not true?

Which of the following statements is likely true?

What does it mean when a crow “pays attention” to you?

What does “they” mean?

What is this article about?

The word “release” means to ______.

According to the passage, ______ can help patients improve their health.

The purpose(目的) of the passage(文章) is to _______.

Either you or Jason _____ take away the book which should ______to the guardhouse(警衛室) later.

The boy in a hat kept not only ______ but ______ every day last year.

It’s hard for me to choose which restaurant ______ because they all look great.

Diana ______ seafood, and neither ______ they.