桡神经的组成是（）
A.C4-7
B.C2-3
C.C5-7
D.C5-8
E.C1-2
参考答案：D
The young man, ___two attemps to climb the high mountain, decided to have another try this year.
A．making
B．made
C．having made
D．has made
小儿肺炎的诊断依据是
A．发热B．咳嗽C．肺部干湿性罗音D．X线可见肺部有大小不等点片状阴影E．以上都是
