属于副肿瘤综合征的是（）
A.肿瘤所致的发热
B.肿瘤所致的疼痛
C.肿瘤所致的全身衰竭
D.肿瘤所致的贫血
E.肿瘤所致的内分泌紊乱
参考答案：E
All the elder people ______ at the party were those _____involved in (参与)community service.
A．thankful; honestly
B．interested; eagerly
C．present; actively
D．important; patiently
根据作用力的特点，粒子分为分子、原子和电子三大类。（）
