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【单选题】
SECTION C NEWS BROADCAST Directions: In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. At the end of each news item, you will be given 10 seconds to answer the questions. 听力原文: President Robert Mugabe, who has ruled Zimbabwe with an iron fist for nearly three decades, faces his toughest challenge yet in this weekend's general elections. Voters go to the polls Saturday in simultaneous presidential, parliamentary, senate and council elections. Mugabe faces three opposition candidates, two of whom have a good chance of winning. Zimbabweans are the poorest they have ever been since the nation became a democracy.Unemployment is estimated at around 80 percent, inflation is more than 100,000 percent, and hundreds of thousands are fleeing the country to earn more elsewhere than they would back home. Mugabe has been in office since the country, then called Rhodesia, gained independence from Britain in 1980. He was once respected as a liberation hero, but observers now criticize him for repressive tactics and corruption, and blame him for the country's dire economic state. In what critics labeled a vote-buying exercise, Mugabe recently increased the salaries of the police, army and teachers and also handed out machinery to black farmers. Zimbabwean officials deny the moves had anything to do with the election. Which of the following is TRUE of Zimbabwe?
A.
It became independent from US in 1980.
B.
It suffers from inflation and unemployment.
C.
It has many refugees fleeing from other countries.
D.
It has been ruled by Mugabe for two decades.
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举一反三
【单选题】脾显像不用于:
A.
确定脾脏大小
B.
左上腹包块的鉴别诊断
C.
副脾的检出
D.
怀疑脾破裂或腹部损伤血肿的诊断
E.
以上都不是
【单选题】某男性患者,53岁,体重65kg。平素身体健康,因反复呕吐3d入院。测得血钠129mmol/L,血钾3.2 mmol/L。影响该患者体液失衡类型最重要的因素是( )
A.
呕吐液体总量
B.
呕吐次数
C.
本病发病以来个人饮水及是否治疗的情况
D.
血钾
E.
心脏功能状况及心电图表现
【单选题】下列显像剂用于肝脏显像时,那一个不被脾摄取()
A.
99m Tc胶体
B.
113m In胶体
C.
99m Tc植酸盐
D.
99m Tc-HIDA
E.
胶体 198 Au
【单选题】同步电动机晶闸管励磁装置主电路采用三相桥式全控整流电路时,晶闸管VT3、VT5的触发脉冲相隔( )。
A.
60°
B.
90°
C.
120°
D.
180°
【单选题】同步电动机晶闸管励磁装置主电路采用三相桥式全控整流电路时,晶闸管VTVT3,VT5的触发脉冲相互相隔( )。
A.
60°
B.
90°
C.
120°
D.
180°
【单选题】某男性患者,53岁,体重65kg。平素身体健康,因反复呕吐3d入院。测得血钠129mmol/L,血钾3.2 mmol/L。该患者体液失衡类型( )
A.
低钾血症,高渗性脱水
B.
高钾血症,重度缺钠
C.
低钾血症,轻度缺钠
D.
低钾血症,中度缺钠
E.
低钾血症,重度缺钠
【单选题】某男性患者,53岁,体重65kg。平素身体健康,因反复呕吐3d入院。测得血钠129mmol/L,血钾3.2mmol/L。影响该患者体液失衡类型最重要的因素是()
A.
呕吐的液体总量
B.
呕吐间歇时间
C.
本病发病以来个人饮水及是否治疗的情况
D.
肾功能的能力
E.
心脏功能状况及心电图表现
【单选题】用于描述与皮肤表面相对距离的术语是
A.
上和下
B.
内和外
C.
浅和深
D.
前和后
【单选题】99m Tc标记硫胶体不可用于下列哪种显像
A.
骨髓显像
B.
肝脾显像
C.
脾脏显像
D.
下肢静脉显像
E.
淋巴系统显像
【单选题】同步电动机晶闸管励磁装置主电路采用三相桥式全控整流电路时,晶闸管VT1,VT3,VT5的触发脉冲相互相隔()
A.
60度
B.
90度
C.
120度
D.
180度
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