关于BET(单分子层水)描述有误的是()。

A:BET在区间Ⅱ的高水分末端位置。 B:BET值可以准确的预测干燥产品最大稳定性时的含水量。 C:该水分下除氧化反应外,其它反应仍可保持最小的速率。 D:单分子层水概念由Brunauer、Emett及Teller提出的单分子层吸附理论。

某银行信贷额度关系credit-in(C_no,C_name,limit,Credit balance)中的4个属性分别表示用户号、用户姓名、信贷额度和累计消费额。该关系的 (13) 属性可以作为主键。表3-8为关系credit-in的一个具体实例。

表3-8

C_no

C_name

limit

Credit_balance

1310001

1310002

2410003

2410004

4110041

4110042

4110812

张静

陈继年

李丽莉

刘华东

赵庆民

范建华

赵庆民

3500

3500

23800

6600

9800

16000

1800

2000

2100

2000

5800

4500

查洵累计消费额大于3000的用户姓名以及剩余消费额的SQL语句应为:
Select (14)
From credit-in
Where (15)

A:C_name,Credit_balance-limit B:C_name,limit-Credit_balance C:C_name,limit,Credit_balance D:C_name,Credit_balance

信贷额度关系credit-in(C_name,limit,Credit balance)中的三个属性分别表示用户姓名、信贷额度和到目前为止的花费。下表为关系credit-in-的一个具体实例。若要查询每个用户还能花费多少,相应的SQL语句应为:Select () From credit-in。

A:C_name,Credit_balance-limit B:C_name,limit-Credit_balance C:C_name, limit, Credit_balance D:C_name,Credit_balance

某银行信贷额度关系credit-in(C_no,C_name,limit,Credit_balance)中的4个属性分别表示用户号、用户姓名、信贷额度和累计消费额。该关系的 (60) 属性可以作为主键。下表为关系credit-in的一个具体实例。 查询累计消费额大于3000的用户姓名以及剩余消费额的SQL语句应为: Select (61) From credit-in Where (62) ; (61)处应填()。

A:C name,Credit_balance-limit B:C name,limit-Credit_balance C:C name,limit,Credit_balance D:C name,Credit_balance

信贷额度关系credit-in(C_name,limit,Credit_balance)中的三个属性分别表示用户姓名、信贷额度和到目前为止的花费。下表为关系credit-in 的一个具体实例。若要查询每个用户还能花费多少,相应的SQL 语句应为:Select()From credit-in。

A:C_name,Credit balance-limit B:C_name,limit-Credit_balance C:C_name,limit,Credit_balance D:C_name,Credit_balance

MIMD systems can be classified into (1) -oriented systems, high-availability systems and response-oriented systems. The goal of (1) -oriented multiprocessing is to obtain high
(1) (2) minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce (3) and (4) loading of system (5)

(3)是()

A:balance B:balanced C:balances D:balancing

MIMD systems can be classified into (1) -oriented systems, high-availability systems and response-oriented systems. The goal of (1) -oriented multiprocessing is to obtain high
(1) (2) minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce (3) and (4) loading of system (5)

A:balance B:balanced C:balances D:balancing

MIMD systems can be classified into (71) -oriented systems, high-availability systems and response-oriented systems. The goal of (71) . oriented multiprocessing is to obtain high (71) (72) minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce (73) and (74) loading of system (75) .

(73)处填()。

A:balance B:balanced C:balances D:balancing

MIMD systems can be classified into (150) -oriented systems, high-availability systems and response-oriented systems.
The goal of (150) -oriented multiprocessing is to obtain high (150) (151) minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce (152) and (153) . loading of system (154)

(152)是()

A:balance B:balanced C:balances D:balancing

MIMD systems can be classified into (150) -oriented systems, high-availability systems and response-oriented systems.
The goal of (150) -oriented multiprocessing is to obtain high (150) (151) minimal computing cost. The techniques employed by multiprocessor operating systems to achieve this goal take advantage of an inherent processing versus input/output balance in the workload to produce (152) and (153) . loading of system (154)

A:balance B:balanced C:balances D:balancing

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