快跑后突然站立不动所发生的晕厥又叫直立性低血压。
参考答案:错
Both Lily and Lucy ______ to the party yesterday.
A.invited
B.was invited
C.had invited
D.were invited
脊髓损伤后常出现上述症状()。
A.小脑性共济失调
B.感觉性共济失调
C.手足搐搦
D.舞蹈样运动
E.铅管样强直