问句答语连线。 ( ) 1. What's this? ( ) 2. Do you know? ( ) 3. Where's Beijing? ( ) 4. Where's Japan? ( ) 5. What colour is it? A. It's in the north of China. B. It's red. C. Yes. D. It's east of China. E. It's a map.
【简答题】According to Bobby Peck, targeting the companies would be difficult as it would be near-impossible to prove that illnesses suffered were caused by ______.