第二类危险货物采用罐车的装卸地点，距铁路正线、房屋建筑的防火间距不少于（）m。
A.45
B.35
C.30
D.20
参考答案：A
把两个句子改写成一个句子。
1. I'd love the places. I can enjoy the beautiful nature.
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2. I miss the days. We were together.
3. I'd like to buy a new bike. Its color is blue.
4. Where is the doctor? He is responsible for the operation.
5. I want to go to Beihai Park. We can go boating there.
临床上可根据患者的一些临床表现判断患者服药与否判断抗胆碱物服用与否的临床表现是
A．头痛B．口干C．心率减慢D．手足湿冷E．多汗
