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【简答题】
金属变形后，于室温经长时间停留(或加热到一定温度，短时间保温)，金属的屈服点应力提高(强度和硬度也随之提高)，并在拉伸试验中出现 的现象称为 或应变时效。
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【单选题】The real sector in an economy deals with __________.
A.
. transactions in goods, services and financial assets
B.
transactions in all financial assets
C.
transactions in all goods and services
D.
transactions in new technological products only
【单选题】The author believes that the housing sector______.
A.
has attracted much attention
B.
involves certain political factors
C.
shoulders too much responsibility
D.
has lost its real value in economy
【简答题】Businesses need to understand the threats to their day-to-day operations, and governments need to take action with the private sector to put measures in place to make a real impact.
【单选题】The index most widely used by the government and the private sector to measure changes in the cost of producing is the
A.
Producer Price Index
B.
Consumer Price Index
C.
the GDP deflator
D.
Real GDP
【单选题】The real sector in an economy deals with __________.
A.
transactions in all goods and services
B.
transactions in all financial assets
C.
transactions in goods, services and financial assets
D.
transactions in new technological products only
【简答题】Investment growth in the manufacturing sector continued to slow, hitting 17.1% year-to-date, compared with 17.8% in May, while real estate investment growth slowed to 20.3% from 20.6% previously.A. 进入...
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