Implied but not stated is that______.
A. quick purchasing is the result of inner tension
B. the first stage of hypnosis is a light trance
C. research conducted by motivation analysis can disprove their original premises
D. supermarkets seeking a fairyland atmosphere can install hidden movie cameras
The world's first treaty aimed at cutting tobacco-related deaths will take effect legally
A. the world
B. the US
C. 167 countries
D. 57 countries
By "...challenges explanation" (Line 2, Para. 1) the author means that______.
A. no explanation is necessary for such an obvious phenomenon
B. no explanation has been made up to now
C. it's no easy job to provide an adequate explanation
D. it's high time that an explanation was provided
【B10】
A. gladly
B. beautiful
C. friendly
微信支付 
支付宝支付