()是指一国在某一给定时期内所生产全部最终产品和劳务的市场价值。
参考答案:国民生产总值(GNP)
The boy keeps coughing,and the doctor tells the parents it still needs more time to _____
the reason.
A.put off
B.figure out
C.make up
D.look through
血虚头痛的临床特征是
A.头痛而眩B.头痛而空C.头痛隐隐而晕D.头痛昏蒙眩晕E.头痛如裂