孕前保健服务内容包括括（）、（）、（）。

改错。

1. I find it quite astonished that none of you liked the play.

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2. We had great difficult finding his house.

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3. He was failure as a teacher.

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4. It was fortune that he passed the exam.

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5. He was so thirsty that he drank a lot of boiling water.

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6. Switzerland is one of the most mountain countries in the world.

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7. He is a outstanding person.

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8. Can you pick up your brother in this crowd?

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9. I'm not contented with the result.

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10. The book is especially written for children.

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11. The homeless is safe now for they have sought a refuge from the storm.

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12. I was confusing by his strange questions.

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关于青少年牙周炎的叙述，以下哪项是错误的（）

A.主要发生在青春期至25岁的年轻人，女性多于男性

B.早期患者菌斑、牙石很少，牙周组织破坏程度与局部刺激物的量不成正比

C.X线片显示：第一磨牙近远中呈水平吸收，切牙区多呈弧形吸收

D.病程进展很快

E.可能有家族遗传史

下面各组句子中，加粗字含义有相同项的一组是 [ ]

A．欲人之无惑也难矣/于其身也，则耻师焉，惑矣/非吾所谓传其道解其惑者也/至于幽暗昏惑而无物以相之

B．犹且从师而问焉/即如忠烈遗骸，不可问矣/恣其所为不问/朝夕遣人候问武

C．或师焉，或不焉/云霞明灭或可睹/而或长烟一空/左右或欲引相如去

D．其出人也远矣/蜀山兀，阿房出/农不出则乏其食/公拆袄，出珠授之

炉水保持适宜碱度是为了抑制（）。

A.水垢生成

B.汽水共腾

C.电化学腐蚀

D.A＋B＋C

在房产数据库中有房源基本情况表、房产销售情况表、客户基本情况表和业务员基本情况表。
(1)以房源基本情况表和房产销售情况表为数据源，创建“按客户查询”查询，输入客户ID，显示所购房产的信息。参数提示为“请输入客户ID”，结果显示详细地址、户型、总面积和成交单价。运行查询显示如图所示。

(2)以房源基本情况表和房产销售情况表为数据源，创建分组总计查询“房产成交额”，统计每个房子的销售总价。结果显示房源代码和成交金额字段，成交金额=[房源基本情况表]!总面积]×[房产销售情况表]![成交单价]。查询结果如图所示。