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患者，女性，45岁。悫类风湿关节炎12年。3天前再次出现双手腕肿痛。下列检查中，提示患者病情活动的指标是（）

A.血沉偏低
B．反应蛋白增高
C．关节腔滑液增多
D．血常规示轻度贫血
E．关节X线检查示关节端骨质疏松
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自动闭塞区段，站间只有一架通过信号机，遇该信号机故障时，应报告列车调度员发布调度命令，停止基本闭塞法，改按行车（）
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Passage 1 Cars are lots of fun, but they could also be dangerous. We have to be careful when we drive them or ride in them. It"s always a good idea to put on your seat belt when you"re in a car. Why? Think about this example: You put an egg on a skateboard(滑板) and give it a push. If the skateboard hits a stone, it will stop, but the egg won"t. It will fly through the air, hit the ground and break. Now, think what would happen if you tied the egg to the skateboard. When the skateboard hits a stone, the egg won"t go flying. It will stay safely on the skateboard. Volvo, a famous Swedish carmaker, was the first to use seat belts in 1949. Air bags are also very important for car safety, because sometimes a seat belt isn"t enough. If the car is going really fast and runs into something, seat belts could even hurt the people who wear them. Most newer cars have air bags in front of and next to the seats. When a car hits something, its air bags will come out quickly--in less than one second--to keep the people inside safe. 题目： 1. We have to be careful in driving a car mainly because it could be ______________ .
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B、a pleasure
C、a lot of trouble
D、a great danger
A.
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只有在税局登记的法人或者财务负责人有权限进行授权，其他人是不显示“办税授权管理”模块的~（）
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