腐朽节
参考答案：
节子质地松软，由于枯枝受腐朽菌侵蚀而腐朽。
It is obvious _________ he has known the news and he is very satisfied with the result.
A．which
B．that
C．what
D．whether
“人人享有卫生保健”是贯彻了（）。
A.知情同意原则
B.保守秘密原则
C.互相协作原则
D.诚实原则
E.公正原则
