有人说，在我们身边“雷区”无处不有，所以我们最好整天只待在家里，以免步入“雷区”。 [ ]
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Much to our delight, John was finally _____ to join in our adventurous travel to the South Pole.[ ]
A. advised
B. agreed
C. admitted
D. persuaded
The second paragraph points out that ______
A．aspirin is always safe
B．aspirin can be dangerous
C．aspirin has been long used
D．aspirin is not truly effective
