特发性血小板减少性紫癜在国家标准《中医临床诊疗术语》中命名
A．肌衄
B．血证
C．发斑
D．紫癜病
E．阴阳毒
参考答案：D
— William has asked me for a loan of 50 dollars. Should I lend it to him?
— Certainly. Because ______ he would try to borrow it from me.
[ ]
A. otherwise
B. therefore
C. besides
D. however
在平行投影中，若投影线垂直于投影面，称为正投影。
