搜题请搜索小程序“爱下问搜题”
问题 单项选择题

在SQL语言中，修改基本表的语句是

A．CREATE TABLE

B．UPDATE TABLE

C．ALTER TABLE

D．DROP TABLE

答案

参考答案：C

解析：解析：在SQL语言中，ALTER TABLE语句用于修改基本表。

阅读理解

ENJOY YOUR FAVORITES IN STAR CINEMA
September
Fri-Sun
Voldemort:14:00; 16:00
Lord of the Rings（Ⅱ）The Two Towers:14:00; 16:00; 20:00; 22:00
Mon-Thurs
The Lion King, Shrek（Ⅱ）:12:00; 14:00; 16:00; 20:00
October
Fri-Sun
Goblet of Fire:14:00; 16:00
Lord of the Rjngs（Ⅲ）The Return of the King:14:00; 16:00; 20:00; 22:00
Mon-Thurs
Lord of the Rings（Ⅱ）The Two Towers:12:00; 14:00; 16:00; 20:00
Voldemort:12:00; 14:00; 16:00
Tickets must be booked被预定 any time up to 30 minutes before the film starts. Ticket holders are given seat numbers.
Drinks are provided. Food may be bought from the shop and eaten in the area provided outside the cinema.
Ticket price: Adults: $16; Children under 6:$6; students under 16:$10
Smoking is not allowed anywhere in the cinema. Mobile phones must be kept off.
小题1:What film can you see on a Saturday night in October?
A．Lord of the Rings（Ⅲ）The Return of the King..
B．Lord of the Rings（Ⅱ）The Two Towers.
C．The Lion King, Shrek（Ⅱ）.
D．Voldemort.
小题2:When can you see the film Voldemort?
A．Tuesday, October, 4 p.m.
B．Tuesday, October, 10 p.m.
C．Thursday, September, 8 p.m.
D．Friday, September, 4 a.m.
小题3:How much will it cost for a family with two children（one is 5 years old and the other is 8）to see a film?
A．$ 22.B．$ 30.C．$ 44.D．$ 48.
小题4:When can people book tickets?
A．The day before the film.
B．Anytime before the film.
C．An hour before the film.
D．No later than half an hour before the film.
小题5:What can you do in the cinema?
A．Eat some food.B．Have some drinks.
C．Make a phone call.D．Smoke in the area provided.
查看答案
单项选择题

搜集、整理统计资料，应当（）。

A.以全面调查为基础，以重点调查为主体，综合运用周期性普查、经常性抽样调查等方法，并充分利用行政记录等资料

B.以经常性抽样调查为基础，以重点调查为主体，综合运用全面调查、普查等方法，并充分利用行政记录等资料

C.以重点调查为基础，以经常性抽样调查为主体，综合运用全面调查、普查等方法，并充分利用行政记录等资料

D.以周期性普查为基础，以经常性抽样调查为主体，综合运用全面调查、重点调查等方法，并充分利用行政记录等资料
查看答案