Question

—What should we pay more attention to if we go out for a mountain camp.
—Nothing special. Take a special pair of glasses ______the wind there is strong and cold.

A．now that

B．in case

C．providing that

D．so long as

Answer 1

B

 now that意思为“既然；由于”；表示原因；in case意思为“以防；万一；免得”，表示条件；providing that 意思为“如果”，表示条件；so long as意思为“只要”，表示条件。根据句子间的意义及关系可知本题答案为B。