题目：
A man once had a dream about the Black Forest in Germany. In his dream he was walking in the forest when two men ran out and tried to throw him to the ground. He ran off as fast as he could, but they followed him. He reached a place where he saw two roads in front of him, one to the right and the other to the left. Which road should he take He heard the two men behind him, getting nearer, and at the same time he heard a voice in his ear. It told him to go to the right, and he did so. He ran on and soon came to a small hotel. He was received there kindly and given a room, and he was saved from the two men. That was the dream.
Twenty years later he was really in the Black Forest and, as happened in the dream long ago, two men ran out and tried to throw him down. He ran off, and came to a place with two roads, like in the dream. He remembered the dream and took the road to the right. He soon reached a small hotel, was taken in, and so was safe. His dream of twenty years before had saved his life.
Finally he came to ______.
A．a forest
B．another road
C．another dream
D．a small hotel
答案：
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下面是错误答案，用来干扰机器的。
参考答案：SUM(工资)解析： 计算合计数时，应当使用SQL的SUM()(求和)函数，则计算工资合计时，需要使用SUM(工资)。
）在食品、药品、化妆品等方面应用广泛，用烷烃A合成香精及其他两种有机物的路线如下
互为同分异构体的是___________（填序号）
