“青莲居士”指的是( )。
A.杜甫
B.白居易
C.范仲淹
D.李白
参考答案:D
The Smiths have three daughters, one a baby, and ________ twins of twelve.
A.another
B.the other
C.others
D.the others
纸张物理性质的检验包括哪几方面?