下列对材质的Refraction Limit属性描述正确的是（）。
A:Refraction Limit控制的是材质的反射次数，需要配合渲染器的光线追踪设置使用 B:Refraction Limit控制的是材质的折射次数，需要配合渲染器的光线追踪设置使用 C:Refraction Limit控制的是材质的反射次数，所以没有反射的材质是没有此属性的，如Lambert D:Refraction Limit控制的是材质的折射次数，只需勾选材质的Refractions属性，Refraction Limit即可生效
What is the meaning of upper control limit and lower control limit in control charts
A:Specification limit B:Acceptable range of the variance of a proces C:Acceptable range of the variance of a produc D:Customer requirement
One of the political issues we hear a lot about lately is campaign finance reform. The people who are calling for (21) usually want the government to pay for campaigns and/or limit the amount of money that candidates and their supporters can spend.
One reason that reform is (22) for is that it costs so much to run for political office. Candidates have to spend a great deal of time and effort (23) money. The incumbents (those already in office) have (24) time to do their jobs since they must attend so many fund raising events.
Another (25) is the fear that candidates will be owned or controlled by the "special interest groups" that contribute to their campaigns. Sometimes this certainly seems to be the (26) .
On the (27) side are those who caution that just because you call something "reform," doesn’t mean it’s really (28) . They (29) that our fight to freedom of speech is meaningless if the government can limit anyone’s ability to get his or her message out to the people.
If one person or a group of people want to tell the (30) what they think about an issue or candidate, they have to (31) advertising on TV, radio, and in newspapers and magazines. They might want to display billboards along highways and banners on heavily trafficked Web sites. All this (32) a lot of money.
Opponents of laws that regulate or limit spending say that you don’t really have freedom of speech or freedom of the press if you can’t get your message out. They say that in a democracy, the government should never be able to regulate political discussion or the means to distribute ideas. They believe that this is most important when the voters are about to make (33) .
What do you think about this issue Listen to what the (34) for national office have to say. Which candidates make the most (35) to you
31（）
A:make B:buy C:publish D:limit
One of the political issues we hear a lot about lately is campaign finance reform. The people who are calling for (21) usually want the government to pay for campaigns and/or limit the mount of money that candidates and their supporters can spend.
One reason that reform is (22) for is that it costs so much to run for political office. Candidates have to spend a great deal of time and effort (23) money. The incumbents (those already in office) have (24) time to do their jobs since they must attend so many fund raising events.
Another (25) is the fear that candidates will be owned or controlled by the "special interest groups" that contribute to their campaigns. Sometimes this certainly seems to be the (26) .
On the (27) side are those who caution that just because you call something "reform," doesn’t mean it’s really (28) . They (29) that our right to freedom of speech is meaningless if the government can limit anyone’s ability to get his or her message out to the people.
If one person or a group of people want to tell the (32) what they think about an issue or candidate, they have to (31) advertising on TV, radio, and in newspapers and magazines. They might want to display billboards along highways and banners on heavily trafficked Web sites. All this (32) a-lot of money.
Opponents of laws that regulate or limit spending say that you don’t really have freedom of speech or freedom of the press if you can’t get your message out. They say that in a democracy, the government should never be able to regulate political discussion or the means to distribute ideas. They believe that this is most important when the voters are about to make (33) .
What do you think about this issue Listen to what the (34) for national office have to say. Which candidates make the most, (35) to you
31（）
A:make B:buy C:publish D:limit
Directions: For each blank in the following passage, there are four choices marked A, B, C and D. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the Answer Sheet.
One of the political issues we hear a lot about lately is campaign finance reform. The people who are calling for (21) usually want the government to pay for campaigns and/or limit the mount of money that candidates and their supporters can spend.
One reason that reform is (22) for is that it costs so much to run for political office. Candidates have to spend a great deal of time and effort (23) money. The incumbents (those already in office) have (24) time to do their jobs since they must attend so many fund raising events.
Another (25) is the fear that candidates will be owned or controlled by the "special interest groups" that contribute to their campaigns. Sometimes this certainly seems to be the (26) .
On the (27) side are those who caution that just because you call something "reform," doesn’t mean it’s really (28) . They (29) that our right to freedom of speech is meaningless if the government can limit anyone’s ability to get his or her message out to the people.
If one person or a group of people want to tell the (32) what they think about an issue or candidate, they have to (31) advertising on TV, radio, and in newspapers and magazines. They might want to display billboards along highways and banners on heavily trafficked Web sites. All this (32) a-lot of money.
Opponents of laws that regulate or limit spending say that you don’t really have freedom of speech or freedom of the press if you can’t get your message out. They say that in a democracy, the government should never be able to regulate political discussion or the means to distribute ideas. They believe that this is most important when the voters are about to make (33) .
What do you think about this issue Listen to what the (34) for national office have to say. Which candidates make the most, (35) to you |
31（）
A:make B:buy C:publish D:limit
The time limit for loading the goods on board the vessel at port of shipment is called( )．
A:shipment limit B:terms of shipment C:time of shipment D:terms of delivery
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
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
单选集
