为下面句子中加粗的词选择正确解释。[ ]
思而不学则殆
A．几乎
B．危险
C．疑惑
答案：C
下列各项，不属产后尿潴留气虚证主要症状的是
A．产后小便不通
B．小腹胀急疼痛
C．气短懒言
D．面色晦黯
E．舌淡，苔薄白，脉缓弱
Some people ______ on the beach now. [ ]
A. lying
B. are lying
C. is lying
D. are lieying
