同时用浸、漂、蒸、煮、或加辅料同蒸、煮等炮制方法以降低毒性的药物是()
A.苍耳子
B.巴豆
C.草乌
D.朱砂
参考答案:C
根据句意及首字母,写出正确的单词。
1. Most of my friends like loud music t_______ they can dance to.
2. Carmen likes m____ who play different kinds of music.
3. As the name s____ the band has lots of energy.
4. I like singers who write their own I ____ __.
5. I like music that I can d___ __ to.
在学习了功率的知识后,(1)班的男同学要举行爬楼梯比赛,看看谁的功率大。并且要测出某同学爬楼梯的功率。
(1)已测出了该同学的质量m,还要测出的物理量是: ;(2分)
(2)还需要的测量工具是: ;(2分)
(3)由测出的物理量,写出计算爬楼梯的功率表达式:___________________。(2分)