问题
单项选择题
流动式起重机组塔，分段分片吊装铁塔时，控制绳应（）。
A.随吊车摆臂同步调整
B.根据吊件重量决定调整速度
C.随吊件上升加快调整速度
D.随吊件同步调整
答案
参考答案：D
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流动式起重机组塔，分段分片吊装铁塔时，控制绳应（）。
A.随吊车摆臂同步调整
B.根据吊件重量决定调整速度
C.随吊件上升加快调整速度
D.随吊件同步调整
参考答案：D
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| Chinese tennis is entering a golden time. In recent years there has been an explosion of 1 female tennis players bursting onto the global scene. And this couldn't have come at a 2 time with the 2008 Beijing Olympics. These young girls have 3 strong will and talent. 4 the way is Li Na, who may have the 5 name in women's tennis, but she has a big reputation. Li Na is China's top ranked player and the first to have 6 into the world's top 20. After 7 nearly six months of the season with a serious injury, the 25-year-old 8 an impressive comeback by winning the Australian Women's Hardcourt Tennis Championships. In the world of professional tennis, Li's refreshing sense of humor proved to be a hit both on and 9 the court. "My husband said he had a special gift for me 10 I won," Li Na said after lifting the prize cup. "That's 11 I tried so hard today. I wanted a special gift." The Wuhan girl 12 tennis at the age of eight after being discovered by a coach who had 13 her playing badminton. After years of hard training, Li Na turned 14 in 1999 and has become one of the most successful Chinese tennis players. With her solid groundstroke and aggressive mindset, she 15 the first Chinese tennis player to win a WTA Tour 16 . Then two years later, she was the first Chinese to make 17 into the last 16 of Wimbledon, which led to her being 18 number 16 in the world last January. Li is now looking forward to winning a 19 at the Olympics. "The Olympics are very important for us," she said. "I am more motivated after my recovery 20 I feel my desire for the Olympics is bigger than ever before." | ||||
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