左心衰竭的特征性体征有()。
A.肺部哮鸣音
B.交替脉
C.颈静脉怒张
D.肝肿大
E.下肢水肿
参考答案:B
The new equipment ________ the disabled during the 8th National Paralympics.
A.was intended for
B.was intended to
C.intended for
D.intended to
一般管道温度等于或高于()时应进行应力分析。
A.100℃
B.340℃
C.400℃
D.280℃