【单选题】It is sometimes said that there is no such thing as the so-called 'scientific method'; there are only the methods used in science. Nevertheless, it seems clear that there is often a special sequence o...
A.
To show that air behaves like water in some aspects.
B.
To illustrate the special sequence of procedures involved in the establishment of the working laws of science.
C.
To indicate that it was difficult to use scientific methods to solve the problem of vacuum pump.
D.
To show how scientists make experiments to test their deductions.
【简答题】The other day, I happened to meet someone I hadn’t seen for many years. I couldn’t believe the change in him. As a matter of fact, he didn’t even seem like the person. When I first knew Bill, back in ...