The stages of a lesson overlap.（）

An example of a product which might well has been advertised during the early stages of the Industrial Revolution is _____.

All good lesson plans give a clear picture of what the teacher intends to do in the lesson.（）

If the aim of a lesson is “To learn the names of colours” the lesson may focus on a particular（）.

There is no one absolutely correct way to draw up a lesson plan and each teacher will decide what suits him or her best, but all good lesson plans give a clear picture of what the teacher intends to do in the lesson.（）

At each stage of the lesson, activities focus on all four skills.（）

What are the most important parts of a lesson plan?

Which of the listed conditions will cause the feed water that has not flashed to vapor in the first-stage of a flash evaporator, to flow into the second-stage?（）

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

Which statement about the preliminary design stage of a software development project is true? （ ） .

In the two stage flash distilling plant, which of the pumps listed is vented to the shell of the second stage in order to remove vapor from the pump suction?（）