甲醇是丙类液体,闪点是11℃。
参考答案:错
The novel Oliver Twist presents Oliver Twist as Charles Dickens' first ______ hero.
A. female B. maleC. child D. imaginary
金元四大家中倡言“阳常有余,阴常不足”的是( )
A.刘完素
B.张元素
C.李杲
D.朱震亨