牙龈经常出血是何种维生素缺乏的表现() A.维生素A B.维生素B1 C.维生素C

题型:单项选择题 A1型题

问题:

牙龈经常出血是何种维生素缺乏的表现()

A.维生素A

B.维生素B1

C.维生素C

D.维生素D

E.维生素E

考点:广西公共卫生住院医师规范化培训营养与食品卫生学营养与食品卫生学题库
题型:单项选择题 A1型题

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.

二、完形填空

A.improvement

B.problem

C.surprise

D.excitement

题型:单项选择题 A1型题

下图是家用豆浆机,请根据图回答下列问题:

(1)制作材料中属于金属材料的是        ,(填一种)

(2)属于合成材料的是       (选填一种物质编号),

(3)传统的生豆浆是用石磨来打磨的,打磨的过程是           变化,

(4)用操作将黄豆渣分离的方法类似于我们实验中的           操作,

(5)该豆浆机不能接触酸性物质,请用化学方程式解释                            

题型:单项选择题 A1型题

はこを あけました。(    ) なかから めずらしいくだものが でてきました。  

A.すると

B.それで

C.それに

D.それでは

题型:单项选择题 A1型题

轮廓曲线位于圆柱面上并绕其轴线旋转的凸轮称为()

A.盘形凸轮

B.移动凸轮

C.转动凸轮

D.圆柱凸轮

题型:单项选择题 A1型题

以下哪一种合同类型对承包商的激励最大()

A、工料

B、成本加奖励酬金

C、成本加固定酬金

D、固定成本加奖励酬金

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