关于肝脏囊腺瘤，下列说法正确的是（） A.常见于30岁以下的女性 B.肿瘤起源于胆管

下列关于地基应力的说法中，正确的是( )。

A．自重应力沿竖向直线分布，但沿水平方向分布不均匀

B．接触应力是基础作用于地基的基底压力，但它不是地基反作用于基础的基底压力

C．地基附加的应力指建筑物和载重量在土体中引起的附加于原有应力之上的应力

D．地基的基底压力是建筑荷载与基础底面之间产生的

农民负担是农民在生产经营活动和收益分配过程中，所承担向国家、集体及社会有关部门、有关方面缴纳的()。

A.集资

B.财务

C.税费

D.担负活劳动

在禁火区进行焊接与切割作业及在易燃、易爆场所使用喷灯、电钻、砂轮等进行可能产生火焰、火花或炽热表面的临时性作业均属动火作业。动火作业可分为( )类。

A．3

B．4

C．5

D．6

惯例

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.

16（）

A.out 

B.over 

C.forward 

D.around