题目

A. originally        B. cultivated       C. served         D. documented    E. unlike    F. consists          G. support         H. habit          I. relatively       J. private   K. presentation The Japanese tea ceremony, also called the Way of Tea, is a Japanese cultural activity involving the ceremonial preparation and (41)_______ of matcha, powdered green tea. In Japanese, it is called chanoyu or chado. The manner in which it is performed, or the art of its performance, is called otem. The tea ceremony is a ritual way of pr小明参加数学组的活动，想测量一座山的高度，于是他们在山前D处测得山顶C的仰角为30°，向前走200米来到山脚A处，测得山坡AC的坡度为i=1：0.5．若忽略测角仪的高度，请问他们通过这些数据可以计算出山的高度吗？若能，请你帮忙算一算，结果保留整数．（参考数据：3≈1.73）． ．