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战略性计划显著的特点是什么?
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【简答题】简述晶闸管导通的条件与关断条件。
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【简答题】For days, Beijing has been trapped under a blanket of yellow-brown dust that the U.S. Embassy air monitor classifies, in its hourly reading, ' hazardous.' Living under Beijing skies, one【M1】______ has...
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【多选题】患者男，64岁，因“咳嗽、咳痰、喘息、活动后气促多年，下肢水肿l周”来诊。患者30年来每年冬季咳嗽、咳痰、喘息，持续3～4个月，经抗感染及平喘治疗有所缓解。近10余年来症状加重时出现活动后心悸、气促。1周前因感冒症状加重，并出现少尿、下肢水肿，抗感染治疗效果不佳。有时夜间发作呼吸困难，坐起后有所减轻，体重无明显变化。否认高血压病、心脏病、结核病、糖尿病、肝病等病史，吸烟40年，每天20支。查体：体...
A.
血气分析
B.
胸部正位X线片
C.
C.MR血管成像（MR
D.
经颅多普勒超声（TCD.
E.
痰培养+药敏试验
F.
心电图
查看完整题目与答案
【单选题】“We regret to announce that the boarding gate for Flight CA820 to Beijing has been changed.”意思是说：
A.
登机口变更
B.
航班延误
C.
航班取消
D.
正常登机
查看完整题目与答案
【简答题】请简述晶闸管导通和关断的条件。
查看完整题目与答案
【单选题】45岁男性患者，慢性咳嗽、咳痰五六年，每逢冬季加重。近半月上述症状加重，并咳黄痰，量不多；双肺底听到湿啰音15年后该患逐渐出现呼吸困难，活动后加重来诊，下列哪项检查所见对判断呼吸困难的原因最有意义（）
A.
桶状胸，叩诊过清音，肺肝界下移
B.
X线肺透亮度增加，心影狭小
C.
肺泡呼吸音减弱，呼气延长
D.
心电图低电压，肺型P波
E.
肺功能检查残气量／肺总量>40%
查看完整题目与答案
【简答题】New Beijing, Great Olympics The 2008 Olympic s has been the most cheerful and anticipated（预先的） throughout Beijing ever since Beijing was rewarded the right to host the 2008 Summer Olympic Ga...
查看完整题目与答案
【简答题】The quality of water supply in southern Beijing has been improving in recent years, an official said. In addition to improvements in the network of pipes, the government has been upgrading three recyc...
查看完整题目与答案
【单选题】The Beijing Olympic Games has been the biggest ________ Games in the world.
A.
live
B.
lively
C.
alive
D.
living
查看完整题目与答案
【简答题】C Jenny Bowen, an American living in Beijing, has been selected as the only American to carry the 2008 Beijing Olympic torch on Chinese soil. She and seven other non- Chinese winners were from a pool ...
查看完整题目与答案
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【简答题】简述晶闸管导通的条件与关断条件。
查看完整题目与答案
【简答题】For days, Beijing has been trapped under a blanket of yellow-brown dust that the U.S. Embassy air monitor classifies, in its hourly reading, ' hazardous.' Living under Beijing skies, one【M1】______ has...
查看完整题目与答案
【多选题】患者男，64岁，因“咳嗽、咳痰、喘息、活动后气促多年，下肢水肿l周”来诊。患者30年来每年冬季咳嗽、咳痰、喘息，持续3～4个月，经抗感染及平喘治疗有所缓解。近10余年来症状加重时出现活动后心悸、气促。1周前因感冒症状加重，并出现少尿、下肢水肿，抗感染治疗效果不佳。有时夜间发作呼吸困难，坐起后有所减轻，体重无明显变化。否认高血压病、心脏病、结核病、糖尿病、肝病等病史，吸烟40年，每天20支。查体：体...
A.
血气分析
B.
胸部正位X线片
C.
C.MR血管成像（MR
D.
经颅多普勒超声（TCD.
E.
痰培养+药敏试验
F.
心电图
查看完整题目与答案
【单选题】“We regret to announce that the boarding gate for Flight CA820 to Beijing has been changed.”意思是说：
A.
登机口变更
B.
航班延误
C.
航班取消
D.
正常登机
查看完整题目与答案
【简答题】请简述晶闸管导通和关断的条件。
查看完整题目与答案
【单选题】45岁男性患者，慢性咳嗽、咳痰五六年，每逢冬季加重。近半月上述症状加重，并咳黄痰，量不多；双肺底听到湿啰音15年后该患逐渐出现呼吸困难，活动后加重来诊，下列哪项检查所见对判断呼吸困难的原因最有意义（）
A.
桶状胸，叩诊过清音，肺肝界下移
B.
X线肺透亮度增加，心影狭小
C.
肺泡呼吸音减弱，呼气延长
D.
心电图低电压，肺型P波
E.
肺功能检查残气量／肺总量>40%
查看完整题目与答案
【简答题】New Beijing, Great Olympics The 2008 Olympic s has been the most cheerful and anticipated（预先的） throughout Beijing ever since Beijing was rewarded the right to host the 2008 Summer Olympic Ga...
查看完整题目与答案
【简答题】The quality of water supply in southern Beijing has been improving in recent years, an official said. In addition to improvements in the network of pipes, the government has been upgrading three recyc...
查看完整题目与答案
【单选题】The Beijing Olympic Games has been the biggest ________ Games in the world.
A.
live
B.
lively
C.
alive
D.
living
查看完整题目与答案
【简答题】C Jenny Bowen, an American living in Beijing, has been selected as the only American to carry the 2008 Beijing Olympic torch on Chinese soil. She and seven other non- Chinese winners were from a pool ...
查看完整题目与答案