【单选题】安静时,优秀运动员心跳次数比正常人的心跳次数是:()
【单选题】关于铁吸收的叙述,错误的是
C.
急性失血患者、孕妇、儿童对铁的需要量增加,铁的吸收也增加
E.
食物中的铁绝大部分是三价的高铁形式,不易被吸收
【判断题】采用年度计划分配率分配法分配制造费用,在平时“制造费用”账户肯定有余额。( )
【单选题】All the following will prove helpful for a depressed person EXCEPT______.
B.
letting him have a vacation
C.
waiting for him to tell you his trouble
D.
involving him in entertaining activities
【单选题】正常人的心跳频率为每分钟60~100次,请问怎样的心跳频率更长寿?()
【单选题】听力原文:M: Can you help him? W: Certainly, what's wrong? M: His kite is broken. Q: What's wrong with his kite? (21)
【单选题】下列有关同分异构体数目的叙述中,错误的是
A.
C 8 H 10 中只有4种属于芳香烃的同分异构体
B.
CH 3 CH 2 CH 2 CH 3 光照下与氯气反应,生成2种一氯代烃
D.
甲苯苯环上的一个氢原子被丙基取代,所得产物有3种
【单选题】All the following will prove helpful for a depressed person except______.
B.
letting him have a vacation
C.
waiting for him to tell you his trouble
D.
inviting him to entertain activities
【简答题】将记账凭证划分为收款凭证、付款凭证和转账凭证,便于按经济业务对会计人员进行分工,便于提供分类核算数据,适用于经济业务较简单、经营规模较小、收付款业务较少的单位。 ( )