“勤劳与懒惰，自负与自卑”是对人性格的什么特性的描述
A．态度特征 B．情绪特征C．理智特征 D．意志特征
参考答案：A
细胞外液（ECF）约占体重的（）
A.20%
B.30%
C.40%
D.50%
E.60%
he shop around the corner caught fire last night. The police are now _____the matter.
A．seeing through
B．working out
C．looking into
D．watching over
