对于湿邪为患，叶天士《温热论》中提到：“在阳旺之躯，胃湿恒多，在阴盛之体，脾湿亦不少，（）”
参考答案：然其化热则一
用"are"或"is"填空。
1. There __________ three pencils and a pen in my pencil-box.
2. There __________ many kites in the sky.
3. There __________ a pen and two rulers on your desk.
4. There __________ a pencil-case in my bag.
5. There __________ two end tables near the bed.
6. There __________ some fish in a river.
下列选项中说明乙醇作为燃料的优点的是[ ]
①燃烧时发生氧化反应 ②充分燃烧的产物不污染环境 ③乙醇是一种再生能源 ④燃烧时放出大量的热
A．①②③
B．①②④
C．①③④
D．②③④
