16. the rise of foreign exchange rate means the appreciation of foreign currency relative to RMB, while only the euro appreciates in dry materials, so choose item D.

17. This question examines exchange rate knowledge points. The appreciation of RMB means that RMB is more valuable. Similarly, 100 yuan is less, 100 yuan is more. Items a and d are incorrectly stated. The appreciation of RMB leads to the rise of local currency exchange rate. So choose item B.