A:需要加热方能发生的反应一定是吸热反应
B:放热反应在常温下一定很容易发生
C:反应是放热还是吸热,必须看反应条件的高低。
D:化学反应除了生成新物质外,还伴随着能量的变化
How color at new red
A: Look ____ my ____ skirt.
B: ____ nice!
A: What ____ is my skirt?
B: It's ____.
A: Red? It's yellow. (黄色的)
Jack is not old, but he doesn't have much hair. His wife Alice has thick(厚的)and black hair.
They have a daughter(女儿). Her name is Kitty. And Kitty is five years old. 0ne day, Jack is reading a book in his room. Kitty looks at her father for a long time and says to her mother,“Why does father have so little hair?”“He has little hair because(因为)he thinks a lot. He is a very clever(聪明的)man. ”Alice says with a smile(微笑).
看拼音,写词语。
ɡāo ɡē lǜ tǎn róu měi xuàn rǎn dī yín qǐ lì
____ ____ ____ ____ ____ ____
sǎ tuō yū huí jí chí mǎ tí lǐ mào jū shù
shuāi jiāo tiān yá rè hū hū yí bì qiān lǐ
____ ____ ____ ____