The paper is made __________ wood and the desk is also made __________ wood.
A：of; from
B：of; of
C：from; of
D：from; from
下列实验操作中正确的是（ ）
“先生将何之”是____句式。
爱国是中华民族的传统美德。下列诗句中,没有体现诗人爱国情怀的是( )
如果把分式x+yx中的x，y都扩大2倍，则该分式的值（ ）
