设有学生选课表sc(学号,课程号,成绩),用SQL检索同时选修课程号为"C1"和 "

题型:单项选择题

问题:

设有学生选课表sc(学号,课程号,成绩),用SQL检索同时选修课程号为"C1"和 "C5"的学生的学号的正确命令是【 】。

A.SELECT 学号 FROM SC WHERE课程号=′C1′AND课程号=′C5′

B.SELECT 学号 FROM SC WHERE 课程号= ′C1′AND课程号=(SELECT 课程号 FROM SCWHERE 课程号= ′C5′)

C.SELECT 学号 FROM SC WHERE课程号=′C1′AND学号=( SELECT学号FROM SC WHERE课程号=′C5′)

D.SELECT 学号 FROM SCWHERE课程号=′C1′AND学号~N(SELECT 学号FROM SC WHERE课程号=′C5′)

考点:计算机等级考试VISUALFOXPRO计算机二级(VF)35
题型:单项选择题
根据短文内容,选择最佳答案。
Ocean Chinese Restaurant
Noodle House          N-1:NOO(ties with beef and tomato
Tel:77820796         N-2:La mian with onions
11:00_m一11:00 pm    N-3:Chicken noodles soup
Small bowl  l0 RMB    N-4:Fried noodles with cabbage
Medium bowl l5 RMB    N-5:Fried beef noodles
Large bowl  l8 RMB
CBA School Restaurant
Welcome to CBA School l2.Restaurant
Tel:77820796
Special meal deals for only 25 RMB
Meal deal l:Dumplings in chicken soup,egg fried rice,mapo tofu 25 RMB
Meal deal 2:Beef with broccoli,fried la mian,fried dumplings  25RMB
Meal deal 3:Cabbage soup,chicken noodles,ice cream    25RMB
Welcome to CBA School Restaurant
    Fast Food Restaurant
Rice Express
Tel:77820798
Try our delicious rice bowls for only l5 RMB.YOU have a choice 0f
Beef, pork,chicken,and fish.
Add a plate of dumplings for l0 RMB.Only l7 RMB for your choice of
green tea,lee cream,or orange 3mce·
Free delivery for orders of 30 RMB and above!
小题1:If you want a large bowl of chicken noodles soup, how much should you pay for it?
A.8 RMB.           B.10RMB:      C.15 RMB.      D.18 RMB.
小题2:If you have only ten Yuan, where can you eat dumplings?
A.Ocean Chinese Restaurant.
B.CBA School Restaurant.
C.Fast Food Restaurant.
D.ABC English Restaurant.
小题3:If you don't want to go to the restaurant, you can call it at __
A.77820798B.77820797C.77820799D.77820796
小题4:If Mr. Green has dumplings in chicken soup, egg fried rice, mapo tofu, and green tea, ice cream or orange juice, he want __ RMB altogether (总共).
A.20B.27C.35D.42
小题5:If you want to eat fish, you should go to __
A.Ocean Chinese Restaurant
B.CBA School Restaurant
C.Fast Food Restaurant
D.Real American Restaurant
题型:单项选择题

2008年5月12日下午2时28分,我国四川省汶川县发生了震级为8.0级的大地震,给当地及周边地区人民的生命、财产造成巨大损失。据此回答1~2题。

1、当地震发生时,阿根廷首都布宜诺斯艾利斯(西四区)的当地时间是[ ]

A.11日2时28分

B.12日2时28分

C.11日14时28分

D.12日14时28分

2、汶川县位于六大板块中的[ ]

A.亚欧板块

B.印度洋板块

C.太平洋板块

D.非洲板块

题型:单项选择题

下列选项中,()被称为我国最大艺术宝库的石窟。

A.甘肃敦煌莫高窟

B.山西大同云岗石窟

C.河南洛阳龙门石窟

D.四川乐山大佛

题型:单项选择题

所制备好的培养基,需要高压灭菌,一般压力在1.05kg/cm时高压多长时间()

A.10分钟

B.15~20分钟

C.30~40分钟

D.30分钟

E.60分钟

题型:单项选择题

融资租入固定资产业务的核算是按照实质重于形式原则的。

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