【单选题】A typical trend during a recession is that:
A.
the unemployment rate falls.
B.
the popularity of the incumbent president rises
D.
the inflation rate rises.
【单选题】杨老师在教授生字词的过程中发现部分学生有丢笔少画的现象,于是他把“小学生丢笔少画现象的原因及对策研究”作为自己的研究课题。他根据在工作中收集整理的资料提出可能的假设,再根据假设设计并实施教学措施,最后根据反馈信息进一步调整教学行动方案。这种研究方法属于( )。
【单选题】最早发现针孔成像原理并加以记录的我国古代科学家是( )。
【单选题】最早发现针孔成像原理并加以记录的我国古代科学家是( )。
【单选题】Which type of unemployment increases during a recession?
B.
frictional unemployment
C.
structural unemployment
D.
the natural unemployment rate
【单选题】During a recession, output declines resulting in
A.
lower unemployment in the economy.
B.
higher unemployment in the economy.
C.
no impact on the unemployment in the economy.
D.
higher wages for the workers.
【单选题】During a recession the economy experiences
A.
rising employment and income.
B.
rising employment and falling income.
C.
rising income and falling employment
D.
falling employment and income.
【简答题】语法学里的词法和句法各研究些什么? 2.什么是语法体系? 3.举例说明语法的抽象性和稳固性。
【单选题】Which of the following fall during a recession?
A.
both retail sales and employment
B.
retail sales but not employment
C.
employment but not retail sales
D.
neither employment nor retail sales