Despite their different approaches, the two talk shows are both ______ .
A. ironical R. sensitive
B. instructive
C. cynical
D. cynical
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为明确原因，检查首选
A. 胃镜
B. X线钡餐检查
C. 腹部B超
D. 肝功能
E. 下消化道造影
在实物构成上，国内生产总值是一定时期内一国范围内所有常住单位生产的增加值总和。()
A. 正确
B. 错误
Which two of the statements are true？ Barter is______. i. a form. of countertrade ii. the
A. i, iv
B. i, iii
C. ii, iii
D. iii, iv
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