问题
选择题
含铝抗酸药容易引起便秘，最好与下列哪种物质共同服用以降低或抵消其副作用
A．三硅酸镁
B．氢氧化镁
C．碳酸氢钠
D．碳酸镁
答案
答案：A
正确答案：A
A、正确，三硅酸镁在医药上用于制抗酸药，能中和胃酸和保护溃疡面，作用缓慢而持久。
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含铝抗酸药容易引起便秘，最好与下列哪种物质共同服用以降低或抵消其副作用
A．三硅酸镁
B．氢氧化镁
C．碳酸氢钠
D．碳酸镁
答案：A
正确答案：A
A、正确，三硅酸镁在医药上用于制抗酸药，能中和胃酸和保护溃疡面，作用缓慢而持久。
While I was waiting to go into university, I saw in a newspaper a teaching job wanted at a school about ten miles from where I小题1:. Because I was in great need of 小题2:and wanted to do something useful, I applied(申请). Three days later, a letter小题3:. It asked me to see the小题4:at Croydon. It proved to be a (n) 小题5:journey —a train to Croydon station, a ten-minute bus ride and then a walk of小题6:a quarter of a mile. As a result I arrived there, feeling too hot to be nervous. Clearly, the principal小题7:opened the door. He was小题8:and round. “The school” he said, “has a group of twenty-four boys between seven and thirteen.” I should have to teach all the 小题9:except art, which he taught himself. I should have to divide the class into 小题10:groups and teach them at three different 小题11:, and I was not小题12:at the thought of teaching maths —a subject which I didn’t do very well in at school. It was 小题13:that I had to teach them on Saturday afternoon 小题14:most of my friends would be 小题15:themselves at that time. Before I had time to ask about my salary(薪水), he got up to his feet. “Now,” he said. “You’d better meet my wife. She is the one who really runs this school.”
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