动摩擦和静摩擦是按照摩擦副的（）分的。
A、运动形式
B、运动组成
C、运动状态
D、运动方法
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Zhang Jin was so lucky to have a free trip to Thailand. But he didn‘t 35 to have a dangerous experience. The next day, when Zhang Jin arrived in Bangkok (曼谷), he was shocked to find himself in a city 36 with street battles (战斗) between two groups. One group was supporting the Thai government while the other was 37 it and had street battles with the 38 . Two people were killed and hundreds injured. Because of it, 240,000 foreign tourists, including over 3,000 Chinese people like Zhang, failed to leave and had to 39 in the country. "We were 40 on the streets. But we felt at home with other Chinese from HongKong or Taiwan," said Zhang. 41 , the Chinese government sent flights to bring the people back. Now, all the Chinese tourists are safely back home. "The moment the plane left Thailand, we cheered for joy," said Zhang. Last week the street battles finished. 42, the country‘s tourism industry(旅游业)needs 43 to return to normal. Tourism is the 44 part of the country‘s economy (经济)， Thailand is called "Land of Smiles" and has some of Asia‘s best beaches. It has made ￥17 billion from 15.5 million tourists this year.
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根据《UCP500》，信用证中货物的数量规定有“约”、“大约”、“近似”或类似意义的词语时，应理解为其有关数量增减幅度不超过( )。
A．3％
B．5％
C．10％
D．15％
患者女性，51岁，胸闷、心悸症状。心电图如图5-8所示，应诊断为（）
A.二度Ⅰ型窦房阻滞
B.窦性停搏
C.二度Ⅱ型窦房阻滞
D.窦性心律不齐
E.二度Ⅱ型房室传导阻滞
影响城市土地经济评价的基本因素有()。
A.环境质量
B.土地区位
C.城市规划
D.人口密度
具有补气生血功用的方剂是（）
A.四君子汤
B.参苓白术散
C.当归补血汤
D.补中益气汤
E.生脉散