皮皮学，免费搜题
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【单选题】
城市的不同发展时期与主导产业是什么
A.
前工业社会、工业社会和后工业社会，主导产业依次为第一产业、第三产业和第二产业。
B.
前工业社会、工业社会和后工业社会，主导产业依次为第二产业、第一产业和第三产业。
C.
前工业社会、工业社会和后工业社会，主导产业依次为第一产业、第二产业和第三产业。
D.
前工业社会、工业社会和后工业社会，主导产业依次为第三产业、第二产业和第一产业。
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举一反三
【单选题】在电火花加工过程中,工件电极的进给为( )。
A.
等速进给
B.
加速进给
C.
减速进给
D.
伺服进给
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【单选题】2018年度,某企业财务资料显示,当年开具增值税专用发票取得收入2000万元,另外从事运输服务,收入220万元。收入对应的销售成本和运输成本合计为1550万元,期间费用、税金及附加为200万元,营业外支出100万元(其中90万为公益性捐赠支出),上年度企业经税务机关核定的亏损为30万元。企业在所得税前可以扣除的捐赠支出为( )万元。
A.
90
B.
40.8
C.
44.4
D.
23.4
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【单选题】标准版报刊机的公司报价是多少?
A.
3万/台，更新费10000/台/年
B.
4万/台，更新费10000/台/年
C.
5万/台，更新费15000/台/年
D.
8万/台，无更新费
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【单选题】Question 1 and 2 are based on the news report you have just heard.
A.
Many countries have not taken measures to create enough jobs.
B.
Few countries know how to address the current economic crisis.
C.
Few countries have realized the seriousness of the current crisis.
D.
Many countries need support to improve their people's  livelihood.
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【单选题】Question 1 and 2 are based on the news report you have just heard.
A.
It says the seven leading industrialized economies have reached the rate predicted.
B.
It is more optimistic about the prospect for the growth of the global economy.
C.
It urges policymakers to cut back on spending as soon as possible.
D.
It suggests the government shall reintroduce stimulus measures to develop economy.
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【单选题】Question1 and 2 are based on the news report you Hhve just heard.
A.
it was held in Las Vegas
B.
it had a large collection of modern computers
C.
Vivint is a smart home service provider.
D.
it was said to be the largest collection of new electronic devices in the States.
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【单选题】在请求分页存储管理中，若采用FIFO页面淘汰算法，则当可供分配的页帧数增加时，缺页中断的次数（ ）。
A.
减
B.
增加
C.
无影响
D.
可能增加也可能减少
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【单选题】在请求分页存储管理中，若采用FIFO页面淘汰算法，则当分配的页面增加时，缺页中断的次数
A.
减少
B.
增加
C.
无影响
D.
可能增加也可能减少
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【单选题】Question 1 and 2 are based on the news report you have just heard.
A.
To reduce the number of pilots on duty.
B.
To prevent pilots from working overtime.
C.
To ensure an adequate amount of sleep.
D.
To fix the amount of work for each pilot.
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【单选题】Question 1 and 2 are based on the news report you have just heard.
A.
The international Labor Organization's key objective.
B.
The basic social protection for the most vulnerable.
C.
Rising unemployment worldwide.
D.
Gobal economic recovery.
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相关题目：
【单选题】在电火花加工过程中,工件电极的进给为( )。
A.
等速进给
B.
加速进给
C.
减速进给
D.
伺服进给
查看完整题目与答案
【单选题】2018年度,某企业财务资料显示,当年开具增值税专用发票取得收入2000万元,另外从事运输服务,收入220万元。收入对应的销售成本和运输成本合计为1550万元,期间费用、税金及附加为200万元,营业外支出100万元(其中90万为公益性捐赠支出),上年度企业经税务机关核定的亏损为30万元。企业在所得税前可以扣除的捐赠支出为( )万元。
A.
90
B.
40.8
C.
44.4
D.
23.4
查看完整题目与答案
【单选题】标准版报刊机的公司报价是多少?
A.
3万/台，更新费10000/台/年
B.
4万/台，更新费10000/台/年
C.
5万/台，更新费15000/台/年
D.
8万/台，无更新费
查看完整题目与答案
【单选题】Question 1 and 2 are based on the news report you have just heard.
A.
Many countries have not taken measures to create enough jobs.
B.
Few countries know how to address the current economic crisis.
C.
Few countries have realized the seriousness of the current crisis.
D.
Many countries need support to improve their people's  livelihood.
查看完整题目与答案
【单选题】Question 1 and 2 are based on the news report you have just heard.
A.
It says the seven leading industrialized economies have reached the rate predicted.
B.
It is more optimistic about the prospect for the growth of the global economy.
C.
It urges policymakers to cut back on spending as soon as possible.
D.
It suggests the government shall reintroduce stimulus measures to develop economy.
查看完整题目与答案
【单选题】Question1 and 2 are based on the news report you Hhve just heard.
A.
it was held in Las Vegas
B.
it had a large collection of modern computers
C.
Vivint is a smart home service provider.
D.
it was said to be the largest collection of new electronic devices in the States.
查看完整题目与答案
【单选题】在请求分页存储管理中，若采用FIFO页面淘汰算法，则当可供分配的页帧数增加时，缺页中断的次数（ ）。
A.
减
B.
增加
C.
无影响
D.
可能增加也可能减少
查看完整题目与答案
【单选题】在请求分页存储管理中，若采用FIFO页面淘汰算法，则当分配的页面增加时，缺页中断的次数
A.
减少
B.
增加
C.
无影响
D.
可能增加也可能减少
查看完整题目与答案
【单选题】Question 1 and 2 are based on the news report you have just heard.
A.
To reduce the number of pilots on duty.
B.
To prevent pilots from working overtime.
C.
To ensure an adequate amount of sleep.
D.
To fix the amount of work for each pilot.
查看完整题目与答案
【单选题】Question 1 and 2 are based on the news report you have just heard.
A.
The international Labor Organization's key objective.
B.
The basic social protection for the most vulnerable.
C.
Rising unemployment worldwide.
D.
Gobal economic recovery.
查看完整题目与答案