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阅读材料,从题后所给的 A 、 B 、 C 三个选项中选出最佳答案。 Driver Wanted Drive for busy restaurant , some evening and weekend work . All meals are free . Ring 6 3335678 . House for Sale ¥ 150, 000, built in 200 5 . The house with 3 bedrooms, a bathroom, a living room, a kitchen and a breakfast room. It’s i n the south of the city . Yingbin Supermarket, the biggest shopping centre in our city will open on July 8, 20 1 5. Everybody with today’s Nanjing Daily will get a small present that day. Tel: 6 7984321 Add: No. 6 Hu nan Road Nanjing Daily June 1, 20 1 5 Rose’s Special Concert Time: 2 p.m., July 3, Saturday Place: People’s Sta d ium Ticket Price: RMB 150 yuan for adults; 70 yuan for students June 25, 20 1 5 ( ) 56. If you work as a driver in the restaurant, you may ______. A. never pay for meals B. pay a little for meals C. pay for meals ( ) 57. If you buy the house, you ______. A. may pay $150, 000 for it B . have to take a bath in the public bathroom C . may live i n the south of the city ( ) 58 . Any customer with a N anjin g Daily of Ju ne 1 , 20 1 5 will get a small present from ______. A . Hu nan Road B . Tianjin Daily C . Yingbin Supermarket ( ) 59 . When will the concert be? A. June 8, 20 1 5 . B. Jul y 3 , 20 1 5 . C . June 25, 20 1 5 . ( ) 60 . If two adults and two students want to go to the concert, the tickets will cost RMB ______. A . 440 yuan B . 270 yuan C . 370 yuan
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【多选题】现有用户表userinfo(userID,userName,password),设置主键的方法为( )。
A.
如果不能有同时重复的userName和password,那么userName和password可以组合在一起作为主键
B.
根据选择主键的最小性原则,做好采用userID作为主键
C.
根据选择主键的最小性原则,做好采用userName和password作为主键
D.
如果采用userID作为主键,那么在userID列输入的数值允许为空
【简答题】现有用户信息表userinfo，表结构如下：id integer 主键，自增长；uname text 用户名；password text 密码。如果想查询用户名为李四的用户信息，下面方法正确的是()A. private void select(SQLiteDatabase db){ ... String sql="select * from where uname='李四'"; Cursor c...
【单选题】患者，女性，58岁。因血性白带，外阴瘙痒，灼热感及尿频、尿痛、尿失禁就诊。医生诊断为老年性阴道炎。护士指导坐浴正确的是
A.
冷水坐浴
B.
碱性水坐浴
C.
烫水坐浴
D.
酸性温水坐浴
E.
盐水坐浴
【单选题】现有用户信息表userinfo，表结构如下：id integer 主键，自增长；uname text 用户名；password text 密码。如果想查询用户名为李四的用户信息，下面方法不正确的是()
A.
private void select(SQLiteDatabase db){ ... String sql="select * from where uname='李四'"; Cursor cursor = db.rawQuery(sql,null); ... }
B.
private void select(SQLiteDatabase db){ ... String sql="select * from where uname=?"; Cursor cursor = db.rawQuery(sql,new String[]{"李四"}); ... }
C.
private void select(SQLiteDatabase db){ ... Cursor cursor = db.query("userinfo",new String[]{"id","uname","password"},"uname=?",new String[]{"李四"},null,null,null,null); ... }
D.
private void select(SQLiteDatabase db){ ... Cursor cursor = db.query("userinfo",new String[]{"id","uname","password"},"uname=?",null,null,null,null,new String[]{"李四"}); ... }
【单选题】患者女性,58岁,因血性白带,外阴瘙痒,灼热感及尿频、尿痛、尿失禁等就诊。医生诊断为:萎缩性阴道炎。护士指导坐浴正确的是
A.
冷水坐浴
B.
碱性水坐浴
C.
烫水坐浴
D.
酸性温水坐浴
E.
盐水坐浴
【单选题】现有用户信息表userinfo，表结构如下：id integer 主键，自增长；uname text 用户名；password text 密码。如果想添加用户名为张三，密码为123的用户，下面SQL语句不正确的是（）
A.
insert into userinfo(uname,password) values('张三','123');
B.
insert into userinfo(uname,password) values(张三，123)；
C.
insert into userinfo values(null,'张三','123');
D.
insert into userinfo(password,uname) values('123','张三')；
【单选题】现有用户信息表userinfo，表结构如下：id integer 主键，自增长；uname text 用户名；password text 密码。如果想更新用户名为李四的密码为321，下面方法正确的是()
A.
private void update(SQLiteDatabase db){ ... String sql="update from userinfo set password = '321' where uname='李四'"; db.execSQL(sql); ... }
B.
private void update(SQLiteDatabase db){ ... String sql="update userinfo set password = '321' where id='李四'"; db.execSQL(sql); ... }
C.
private void delete(SQLiteDatabase db){ ... ContentValues cv = new ContentValues(); cv.put("password","321"); db.update("userinfo",cv,"uname = ?",new String[]{"张三"}) ... }
D.
private void update(SQLiteDatabase db){ ... String sql="update userinfo password = '321' where uname='李四'"; db.execSQL(sql); ... }
【简答题】现有用户信息表userinfo，表结构如下：id integer 主键，自增长；uname text 用户名；password text 密码。如果想更新用户名为李四的密码为321，下面方法正确的是()A. private void update(SQLiteDatabase db){ ... String sql="update from userinfo set password = '321...
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