（）是电动捣固机的操纵部分。A.镐柄与框架 B.振动电动 C.镐板与镐头 D.

设有图书管理数据库： 图书(总编号C(6) ，分类号C(8) ，书名C(16) ，作者C(6) ，出版单位C(20) ，单价N(6，2) ) 读者(借书证号C(4) ，单位C(8) ，姓名C(6) ，性别C(2) ，职称C(6) ，地址C(20) ) 借阅(借书证号C(4) ，总编号C(6) ，借书日期D(8) ) 对于图书管理数据库，要查询所藏图书中，各个出版社的图书最高单价、平均单价和册数，下面 SQL语句正确的是______。 SELECT出版单位，______，______，______； FROM图书管理!图书______出版单位

A．MIN(单价)AVGAGE(单价)COUNT(*)GROUP BY

B．MAX(单价)AVG(单价)COUNT(*)ORDER BY

C．MAX(单价)AVG(单价)SUM(*)ORDER BY

D．MAX(单价)AVG(单价)COUNT(*)GROUP BY

如何鉴别上、下运动神经元瘫痪?

This was one of my experiences (1) . When I was in my 30s, I was working for a large international company which had its head office in London. I was working in the (2) department.
The company had a training centre which was just outside London. Different courses were held there throughout (3) and I (4) go on one training course a year. These usually started (5) a Sunday evening and lasted six days.
Once I was (6) a week’s training course with about forty (7) sales people. I was in the bar on the Friday evening and suddenly a woman who was (8) behind the bar asked mea curious question. "I hope you don’t (9) my asking," she said, "but I’ve been (10) about it all week. Have you got a sister (11) Mary" The woman’s name was June. And she used to do various jobs at the training centre. She worked in the office, she organized all the food and drink for the centre and she worked in the bar at lunchtime and in the evening.
My answer (12) June’s question was "Yes", and June said, "I thought (13) . I met her last September when she was organizing a course here. " At that time, my sister was working for (14) company but in a different part of the country. That was (15) she came to be at the training centre.
(16) surprised me was how June guessed we were brother and sister. Three things made it even more (17) . First, she had met my sister six months before she met me. Second, they have about sixty new people every week at the training centre. So about one thousand five hundred people had (18) the centre in those six months. And (19) , my sister is married, so she doesn’t have the same family name as me.
We’re not (20) , but I guess we must look quite like each other.

A．that
B．it
C．such
D．so

月子期间应该吃的15样东西

某甲自有城市房屋1间，2006年3月1日与乙签订一份为期3年的房屋租赁合同，由乙承租该房。同年8月6日丙向甲提出愿意购买该房屋，甲即将要出卖该房屋的情况告知了乙。到了11月7日乙没有任何答复，甲与丙协商以5万元的价格将该房卖给丙，双方签订了房屋买卖合同，丙支付了全部房款。但在双方准备办理房产变更登记前数日，甲遇丁，丁愿以6万元买下该房。甲遂与丁又签订了一份房屋买卖合同，且双方第二天即到房屋管理部门办理了变更登记。不久，丁向银行贷款，以该房设定登记抵押。
现就本案例回答第91-93题：

就房屋买卖关系而言，下列表述中哪些是正确的？( )

A．因甲已将房屋租与乙，甲若将房出售，应事先征得乙的同意

B．因甲丁之间已办理房产登记，故甲丙之间的买卖合同即使签订在先，丙也无权主张对该房屋的所有权

C．因甲丙之间尚未办理房产变更登记，故甲丙之间的合同不生效

D．甲虽与丙签订了合同但在未办理变更登记的情况下有权再将房屋出售给丁