【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
【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】He holds that education should place more ______ on logic thinking, and education of emotion is of little use.
【单选题】下列不属于物流系统的建立过程的是( )。
【单选题】It can be inferred that ______.
A.
the writer must have misunderstood the policeman when the latter showed him the way
B.
the policeman must have pointed him a wrong direction
C.
the writer couldn't tell the right from the left
D.
the railway station was the only house in sight