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【简答题】
晨昏线上地方时为12时的P点，其在某时间段内的纬度位移如下图实线如示。回答下列各题。 小题1:该时间段是 A．3.21—6.22—9.23 B．9.23—12.22—3.21 C．6.22—9.23—12.22 D．12.22—3.21—6.22 小题2:P点的这种移动将影响地球上 A．各地地方时差异 B．各地气候的变化 C．水平运动物体偏向 D．极昼极夜范围变化
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【简答题】7.什么是平面连杆机构?举例说明平面连杆机构适应在什么场合?
【简答题】Everyone hopes to have a healthy lifestyle. But do you know what a healthy lifestyle is like? Here are some ways that lead to(导致) a healthy lifestyle. Get active(积极的) This is the most important way of...
【单选题】What keeps you healthy? ________
A.
Fruits and vegetables.
B.
Healthy food.
C.
Healthy food and sports.
【单选题】患者,男,68岁,患肺心病8年。因感冒后咳嗽咳痰加重,并气急、心悸、呼吸困难入院。体查可见明显肺气肿,心浊音界未叩出;听诊呼吸音减弱,有干、湿性啰音,心音遥远,双下肢凹陷性水肿。血气分析:pH 7.33,PaCO2 70mmHg,HCO3- 38mmol/L。值班医师拟根据以下原则实施治疗。试问下列治疗原则不恰当的是
A.
保持呼吸道通畅改善通气
B.
低浓度低流量给氧
C.
抗感染
D.
补碱纠酸
E.
强心利尿
【单选题】What healthy habits does Jessica have?
A.
She goes running a few times a week.
B.
She tries to go fishing.
C.
She tries to go mountain-climbing.
【简答题】Everyone hopes to have a healthy lifestyle. But do you know what a healthy lifestyle is like? Here are some ways to have a healthy life. Get active This is the most important way of a healthy lifestyl...
【单选题】患者,男,68岁 .在输液过程中突然出现呼吸困难、咳嗽,咳粉红色泡沫痰,诊断为急性肺水肿。针对急性肺水肿的治疗,下列减轻心脏负担的措施为
A.
立即停止输液
B.
端坐位,两腿下垂
C.
用20%~30%乙醇湿化给氧
D.
作好心理护理
E.
高流量加压给氧
【简答题】The Healthy Habits Survey(调查)shows that only about one third of American seniors have correct habits. Here are some findings and expert advice. 1．How many times did you brush your teeth yesterday? ·Fi...
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