【单选题】男性,70岁。吞咽困难3个月。食管钡透:中段有3cm的不规则食管充盈缺损,取活体组织病检为鳞癌。心电图有ST段下降,T波倒置,肺功:严重障碍,其治疗方法为
【单选题】The position of the United States current account balance in 2009 was
A.
lent over 6 percent of its GNP, resulting in a large current account surplus.
B.
borrowed over 9 percent of its GNP, leading to a large current account deficit.
C.
achieved a currant account balance of zero.
D.
borrowed over 10 percent of its GNP, leading to a large current account deficit.
E.
borrowed less then 5 percent of its GNP, leading to a large current account surplus.
【简答题】经常项目差额(Balance of Current Account)
【判断题】在食品酸度测定中,有效酸度的测定往往比测定总酸度更具有实际意义。其大小说明了食品介质的酸碱性。
【单选题】男性,70岁。吞咽困难3个月。食管钡透:中段有3cm的不规则食管充盈缺损,取活体组织病检为鳞癌。心电图有ST段下降,T波倒置,肺功能严重障碍,其治疗方法为
【单选题】男性,70岁。吞咽困难3个月。食管钡透:中段有3cm的不规则食管充盈缺损,取活体组织病检为鳞癌。心电图有ST段下降,T波倒置,肺功:严重障碍,其治疗方法为( )。
【判断题】在食品酸度测定中,有效酸度(pH值)的测定,往往比测定总酸度更有实际意义,更能说明问题,表示食品介质的酸碱性。( )
【单选题】A deficit in the current account ( ).
A.
Tends to cause a surplus in the financial account
B.
Tends to cause a deficit in the financial account
C.
Has no relationship to the financial account
D.
Is the result of increasing exports and decreasing imports