下列不可用阴阳互根理论来解释的是（） A.寒极生热，热极生寒 B.孤阴不生，独阳不长

With a lot of difficult problems_____, the newly-elected president is having a hard time.

A．settled

B．settling

C．to settle

D．being settling

短文填词（共10题小题，每小题1分，满分10分）

阅读下面短文，根据以下要求：1）汉语提示；2）首字母提示；3）语境提示, 在每个空格内填入一个适当的英语单词，所填单词要求意义准确.拼写正确。

Nowadays a lot of schools keep their students in school all day long.

Students have different o          about it.                                 小题1:                   

Some of the students think they enjoy l       freedom and have few       小题2:                

chances to get in touch with society. They are not able to fully         (培养)      小题3:               

their interests and      （爱好）. Therefore, they have least interest in their study小题4:                  

Some others think school is the best place to get knowledge,       they        小题5:                

should put their heart into their lessons. Some students          (缺少) the ability to 小题6:                

control themselves. Once       of school, they may lose control of themselves    小题7:                

and do something that will a        their studies.                          小题8:                

P     , there is no doubt that we should keep students at school.         小题9:                

But I think      of necessity that schools should organize various activities          小题10:                   

so that students can enjoy their school life.           

下列化学符号中，既能表示一个原子，又能表示一种元素，还能表示一种物质的是（　　）

A．Cu

B．O

C．H₂

D．C₆₀

甲公司原材料日常收发及结存采用计划成本核算。月初结存材料的计划成本为600 000元，实际成本为605 000元；本月入库材料的计划成本为l 400 000元，实际成本为1 355 000元。当月发出材料(计划成本)情况如下：基本生产车间领用 800 000元在建工程领用 200 000元车间管理部门领用 5 000元企业行政管理部门领用15 000元要求：

(3)编制月末结转本期发出材料成本差异的会计分录。(6分)

进口设备检验鉴定费按进口设备货价的( )计算。

A．2‰～3‰

B．3‰～5‰

C．4‰～5‰

D．4‰～6‰