生产同一商品的不同厂家，有赔有赚。从根本上说，是因为决定该商品价值量的是（） A.各

My house is very beautiful. There is a small garden in front of my house .There are many flowers in the garden. And there are a few trees in it. Near my house there is a big apple tree. You can see a blue car under it .It’s my brother’s. It looks very cool. On the first floor of  the house, there is a living room , a dining room, a kitchen and a bathroom . I like listening to the music in the living room .There are two bedrooms and a small study on the second floor .I loving reading in my study. I like my house very much.

阅读短文., 回答下面的问题。

小题1:Are there any flowers in the garden ?

小题2:What’s under the tree ?

小题3:Is there a kitchen on the first floor ?

小题4:How many rooms are there on the second floor ?

小题5:Does the writer(作者的)like his house ?

女性，33岁，C₁P₁，采用长效口服避孕药避孕4年，现在计划再生育，前来咨询，下列哪项处理适合（）

A.立即停止用药，计划受孕

B.停用长效药后，服用短效药1个月作为过渡，计划受孕

C.停用长效药后，服用短效药3个月作为过渡，计划受孕

D.停用长效药后，服用短效药1个月作为过渡，半年后计划受孕

E.停用长效药后，服用短效药3个月作为过渡，半年后计划受孕

中速磨煤机排渣量过多的原因有哪些？

学史可以着成败、鉴得失、知兴替；学诗可以情飞扬、志高昂、人灵秀；学伦理可以知廉耻、懂荣辱、辨是非。这说明

A．文化对人的影响是深远持久的

B．科学文化修养决定思想道德修养

C．自觉接受优秀文化熏陶，能促进人的发展

D．世界观、人生观、价值观是文化素养的核心

牙周炎主要表现为牙槽骨___________，牙槽脊顶及骨硬板模糊、消失、牙槽嵴高度降低。

A．增生

B．肿胀

C．吸收

D．扩大