【单选题】The writer thinks that teenagers are frightened when they are in charge of themselves because______.
A.
they don't know how to stop a car without brakes
B.
there is no one to ask for help when in trouble
C.
there is no one to guide and discipline them
D.
they are afraid of being left alone
【单选题】I am feeling a lot more healthy than I was.
【判断题】连续系统仿真是指系统状态只在一些时间点上发生变化的系统仿真 。
【单选题】D The Cost of Higher Education Individuals (个人) should pay for their higher education. A university education is of huge and direct benefit to the individual. Graduates earn more than non-graduates. M...
【单选题】May’s older brother lives in Hong Kong.( )
【单选题】The author argues in the passage that ______.
A.
the education of women should be a process of community activity
B.
the education of women should be a part of community in which many partners are combined
C.
women should like all educational work in the Third World
D.
the education of women should be organizations run by government
【单选题】下列不属于物流系统的建立过程的是( )。