Question

2. Don’t swim in the river alone,Jim. It's .

   A. easy   B. boring

   C. dangerous   D. difficult

Answer 1

2. C考査形容词辨析。

easy “容易的”；boring “无聊的”；dangerous “危险的”; difficult“困难的”。由句意“吉姆，不要独自 在河里游泳。那很危险。”可知选   C.