There is also the problem that the researchers observations can be subjective and are difficult to record in a ______ way.
举一反三
- The problem of "fruits" also can be solved in the way below:d = {} for item in fruits: d[item] = d.___________(item, 0) + 1
- A ________ to a problem or difficult situation is a way of dealing with it so that the difficulty is removed.
- It is ______ problem that few people can solve it. A: such difficult a B: such difficult C: so difficult a D: so difficult
- You can't solve the problem ___ this way. A: by B: in C: on D: to
- a regular record of incidents or observations (n.)