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【单选题】
城市生态系统的脆弱性表现在：城市生态系统需靠外力才能维持，城市生态系统一定程度上破坏了自然调节机能，且( )。A.
食物链简化，自我调节能力小，营养关系倒置
B.
物质能量人口高度集中，营养关系倒置
C.
食物链简化，自我调节能力小，物质、能量、人口高度集中
D.
营养关系倒置
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【简答题】男士穿西装之前,要把上衣左袖口的 拆掉
【单选题】Drug of choice in supra ventricular tachycardia
A.
Adenosine
B.
Verapamil
C.
Metoprolol
D.
Lignocaine
【单选题】An 83-year-old man with a history of hypertension and diabetes is referred to you for management after presenting to the emergency department last week with several hours of recent-onset palpitations....
A.
His stroke risk is similar regardless of whether his atrial fibrillation is paroxysmal, persistent, or permanent.
B.
His stroke risk would be considerably lower if he had atrial flutter like his nephew.
C.
His stroke risk is similar to that of the age-matched general population.
D.
His stroke risk 1 week after cardioversion is lower than it was prior to cardioversion
【单选题】Beta - adrenoceptor blocking agent that should be avoided in patients with renal failure is
A.
Atenolol
B.
Metoprolol
C.
Propranolol
D.
Esmolol
【单选题】A is prescribed sulfamethoxazole for treatment of urinary tract infection. Identification of which other medication noted on the 's medical record requires further collaboration with the ...
A.
Insulin
B.
Phenytoin
C.
Metoprolol
D.
Propranolol
【简答题】中央银行建立的必要性是什么？
【单选题】A -year-old man has symmetric pitting edema in both legs for 3 weeks. The edema worsens over the day and relieves after night sleep. He has no limitation of motion, no eyelid edema, no fever and no ...
A.
Age-related edema
B.
Inferior vena cava obstruction syndrome
C.
Angioneurotic edema
D.
Drug-induced edema
E.
Sedentary edema
【单选题】组织流水施工时，流水节拍、施工过程、施工段如表所示，则该工程最适宜采用( )方式组织施工。 施工段 施工过程Ⅰ Ⅱ Ⅲ ① 3 3 3 ② 3 3 3 ③ 3 3 3
A.
等节拍
B.
异节拍
C.
无节拍
D.
无节奏
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