问题补充：
With so much water being used in the bathroom,it is no that more environmentally friendly technologies have come out to make better use of water resources.
A. surprise
B. need
C. question
D. doubt
答案：
A. surprise
B. need
C. question
D. doubt
解析：考查一些固定句式在特定语境中的应用。句意为：由于厕所用水过多，出现多种旨在充分利用水资源的环保技术也就不足为奇了。It’s no surprise that...……是不足为奇的；There is no need to do sth.没有必要做某事；There is no question that...和There is no doubt that...毫无疑问。结合语境可知，应选surprise。
