下列对有关主题知识的归纳完全正确的一组是( ) A.安全常识 B.物质用途加油站:

题型:选择题

问题:

下列对有关主题知识的归纳完全正确的一组是(  )

A.安全常识B.物质用途
加油站:严禁烟火

熄灭酒精灯:用嘴吹灭酒精灯

液态氢:火箭的燃料

液态氮:医疗手术

C.物质的微观构成D.元素与人体健康
铜:由铜分子构成

氧气:由氧原子构成

缺钙:会导致甲状腺疾病

缺铁:会导致贫血

A.A

B.B

C.C

D.D

考点:化学元素和人体健康加热器皿—酒精灯爆炸、自燃构成物质的微粒(分子、原子、离子)
题型:选择题

阅读理解。

     Mary is a schoolgirl. The day before yesterday (前天) was Saturday. Her parents were very busy, but

she had nothing to do. So she wanted to cook lunch for herself.

     She didn't cook before, so it was difficult for her. She couldn't cook vegetables or meat. She thought for

a long time, and finally she had an idea. First, she cooked some rice. When the rice was OK, she put it into a

big bowl. Next, she took out three eggs from the fridge. She beat up (打碎) the eggs, poured some oil (油)

into the pan (煎锅) and put the eggs into the pan. And then she put the rice into the pan. Next she put some

salt and a teaspoon of relish. She mixed them up and cooked them. She finished her dinner. How happy she

felt!

1. What day was yesterday?

A. Thursday.

B. Friday.

C. Sunday.

2. What did Mary want to do?

A. Do her homework.

B. Cook lunch.

C. Buy some eggs.

3. What did Mary cook for lunch?

A. Some rice and vegetables.

B. Some vegetables and meat.

C. Some rice and three eggs.

4. After finishing the lunch, how did Mary feel?

A. Free.

B. Happy.

C. Tired.

5. What should we learn from Mary?

A. We should often do some housework.

B. We must make dinner for the family.

C. We must do housework first.

题型:选择题

秘书职能环境要素关系中最重要的是()。

A.秘书与本组织群众的关系

B.秘书与本组织领导的关系

C.秘书部门与上级机关的关系

D.平级机关的沟通关系

题型:选择题

按照房地产(),房地产市场可分为房地产一级市场、房地产二级市场和房地产三级市场。

A.区域范围

B.流转次数

C.交易方式

D.达成交易与入住时间异同

题型:选择题

患儿腹泻,补液后排尿,此时输液瓶中尚有不含钾的液体200ml,该液体中最多可加10%氯化钾多少毫升()。

A.2ml

B.5ml

C.6ml

D.8ml

E.10ml

题型:选择题

为保证冷却效果,变压器冷却器每()应进行一次冲洗,并宜安排在大负荷来临前进行。

A.3~6个月

B.6~12个月

C.1~2年

D.3~5年

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