肺循环血量增多，并伴左心房、左心室血量增多的先天性心脏病应是（）。
A.原发性房间隔缺损
B.继发性房间隔缺损
C.动脉导管未闭
D.室间隔缺损
E.法洛四联症
参考答案：C
解析：原发和继发性房间隔缺损、动脉导管未闭、室间隔缺损均会出现肺血增多，而法洛四联症肺血会减少，故首先排除E：其次，原发性及继发性房间隔缺损时右心房、右心室增大，故排除A、B；室间隔缺损时，左心室、左心房、右心室增大；动脉导管未闭时，左心房、左心室增大，可见应选择C。
Complete the following passage by using the words in the box. Each word can only be used once. Note that there is one word more than you need.
Shanghai dazzles (使目眩) visitors with its 小题1: of places new and old, East and West New Shanghai begins at the airport with a step onto the Maglev, Shanghai’s high-speed train. Reaching 431 km/h, it whisks（迅速移动）travelers the 32 kilometers from the airport to Pudong in 8 minutes. Visitors disembark (登陆) from the Maglev at Pudong, where Shanghai’s modern side awaits 小题2: outside the station. The West’s 小题3: on Shanghai is very obvious on the Bund. European countries and America established concessions here between the early 1840s and 1943. Visiting the Bund takes one back to that era. Fifty-two buildings, all built in 小题4: European styles, line this famous section of East Zhongshan First Road. The HSBC Tower, which now houses the Shanghai Pudong Development Bank, dominates the Bund. Inside, visitors gazes are 小题5: to colorful mosaics (马赛克) on the dome ceiling. Just south of the Bund, the traditional buildings and tiny lanes of the old Chinese city take visitors back in time. Here, the Yuyuan Gardens are the main attraction. Built in 1577 by a government official for his parents, the Yuyuan Gardens 小题6: an area of two hectares（亩）. Shanghai’s premier shopping destination, Nanjing Road boasts 5.5 km of shops, malls, restaurants and excitement. Colorful neon（霓虹灯）signs 小题7: the street at night when thousands of people flood the area. Restored shikumen exteriors open into restaurants, shops and art galleries. Photographer Guo Changyao 小题8: , “In the 21st century, if you don’t go to Xintiandi, then you haven’t seen Shanghai.” To 小题9: experience Shanghai, one must explore all its sides. The beauty of the city lies in its old and new, West and East. |
