风湿性疾病临床表现特点是
A.每病各有特征B.诸病均有共同点C.小儿病人多相似D.同病差异很大E.成人病人各有突出特点
参考答案:D
I don’t like to ask people for help as a rule but I wonder if you could ______ me a favour.
A.make
B.do
C.find
D.get
所谓压缩比是指铸坯横断面积与轧材横断面积之比。