《沈园》是陆游为悼念唐琬的一首诗，其中：“此身行作稽山土，犹吊遗踪一泫然。”据诗中描

早在2009年4月14日的时候微软就宣布将会停止对Windows XP以及IE6的主流支持，最新的IE9也并不支持Windows XP系统，并且微软计划于2014年4月8日中断对Windows XP的所有扩展支持。然而即使真到了那时候，Windows XP可能仍将占据着20%的市场份额。从中我们可以看出　    

A．新事物代替旧事物需要一个过程

B．新事物必然战胜旧事物

C．事物总处在不显著的变化之中

D．必须通过质变完成事物的发展

下列物质燃烧，能产生明亮的蓝紫色火焰的是（　　）

A．木炭在氧气中燃烧

B．白磷在氧气中燃烧

C．氢气在氯气中燃烧

D．硫在氧气中燃烧

I was a single parent of four small children, working at a low paid job. Money was always tight, but we had a (1) over our heads, food on the table, clothes on our backs, and if not a lot, always (2) . Not knowing we were poor, my kids just thought I was (3) . I’ve always been glad about that.

It was Christmas time, and although there wasn’t (4) for a lot of gifts, we planned to celebrate with a family party. But the big (5) for the kids was the fun of Christmas (6) .

They planned weeks ahead of time, asking (7) what they wanted for Christmas. Fortunately, I had saved MYM120 for (8) to share by all five of us.

The big (9) arrived. I gave each kid a twenty-dollar bill and (10) them to look for gifts of about four dollars each. Then everyone scattered. We had two hours to shop; then we would (11) back at the "Santa’s Workshop"

Driving home, everyone was in high Christmas spirits, (12) my younger daughter, Ginger, who was unusually (13) She had only one small, flat bag with a few candies—fiftycent candies I was so angry, but I didn’t say anything (14) we got home. I called her into my bedroom and closed the door, (15) to be angry again. This is what she told me.

"I was looking (16) thinking of what to buy, and I (17) to read the little cards on the ’Giving Trees’. One was for a little girl, four years old, and all she (18) for Christmas was a doll. So I took the card off the tree and (19) the doll for her. We have so much and she doesn’t have anything. "

I never felt so (20) as I did that day.

5().

A.roof 

B.hat 

C.sky

D.star

锤片式粉碎机按进料方向，可分为切向进料、（）和轴向进料方式。