下面（ ）的近似数是205万． A．2054201 B．2055000 C．20442

计算（x+2）（x-3）的结果是______．

人参与黄芪功效的共同点，下列错误的是

A．补肺气

B．补脾气

C．补气生血

D．补气生津

E．补气利水

患儿男，6岁。7天前因胸部瘙痒而搔抓并出现轻微红肿，5天前局部出现水疱，并伴有畏寒、发热不适而入院。体检：T39℃，BP90/60mmHg，R18次/分钟。急性病容，各系统检查正常。皮肤科检查：颈及前胸部可见多个直径1~2cm的水疱，水疱壁较松弛，疱液上方清澈下方混浊呈半月状，胸部还有片状糜烂面，并有渗出，局部附有黄色脓痂。对该患儿的护理措施，正确的是（）.

A.提供相关知识，减轻患者及家属的焦虑程度

B.乙醇擦浴，降低体温

C.对较大的脓疱应抽取脓液

D.剪短患儿的指甲，避免过度搔抓皮肤

E.用过的物品要及时清洗、煮沸或日光曝晒消毒

F.监测生命体征和临床变化，警惕并发症的发生

Many students agreed to come, but some students against because they said they don't have time.

A．did not because they say they did not

B．were against because they say they don't

C．did not because they said they did not

D．were against coming because they said they don't

电线按有、无绝缘分为（）。

A.导体电线

B.铜芯电线

C.裸电线

D.绝缘电线