國中 解答
共 5127 題
尚無答案
附圖為某古裝劇的一段對話，部分劇情雖為杜撰，但對話中所提到的內容符合科學原理。已知草灰水溶液為鹼性，根據對話內容，判斷圖中進行了何種類型的反應？
酸鹼中和反應中加入「酚酞」
下列「 」內的物質，何者不是催化劑？
9
設f(1)＝2，f(2)＝4，f(3)＝6，且f(x＋3)＝f(x)＋5，則f(5)＝？
64
有一等比數列 :－2 , 4 , －8 , ……，求此等比數列的第6項。
七邊形
已知一多邊形的內角和為900°，則此多邊形為何種多邊形？
尚無答案
https://netholiday.kh.edu.tw/ImageData.action?e8103086-3da5-497f-a2d2-aa643c905…
尚無答案
https://netholiday.kh.edu.tw/ImageData.action?dfe03eb2-9d82-42e9-9335-74d563f14…
Most
____________ of the food in this supermarket looks fresh. Do you want to buy some?
尚無答案
https://netholiday.kh.edu.tw/ImageData.action?332ef330-7449-4ac6-a085-488be4fd7…
254
已知一數列的前6項為1 , 4 , 5 , 9 , 14 , 23 ，請觀察此數列的規律性，推斷此數列的第11項為何？
尚無答案
https://netholiday.kh.edu.tw/ImageData.action?dde7878e-4ef7-4bd1-8e85-2245fede2…
過線外一點恰有一直線垂直此直線
下列敘述何者正確？
1990
求級數10＋11－12＋13＋14－15＋……中，前100項的總和為多少？
Most
____________ of the food in this supermarket looks fresh. Do you want to buy some?
comes ; won't
Judy: A big typhoon is coming. Gina: If the typhoon _______, we ______ go to school tomorrow.
explain
It is difficult for me to ______ this hard math problem to you clearly.
actually
I want to go to the movies, but ______ I have a lot of homework tonight.
although
Helen still went to school yesterday _________ she had a serious cold.
earthquake
The big ______ killed many people and destroyed many houses last night.
stops ; will become
If everyone ________ using disposable tableware, the environment ________better.
himself
Nick cleaned the whole house by ______.
the stronger
Ted is _____ of my two brothers. He seldom catches a cold while the other is always weak.
beautiful ; beautifully
Ana: Look! The woman looks _______ , and she is dancing _______ at the party.
most interesting
This book is ______ of all. No one can't stop reading it.