1. S₁: The path of Venus lies inside, the path of the Earth.
S₆: When at, its brightest, it, is easily seen with the naked eye in broad daylight.

P: When at its farthest from the Earth, Venus is 160 million miles away.
Q: With such a wide range between its greatest and least distances it is natural that at sometimes Venus appears much brighter than others.
R: No other body ever comes so near the Earth, with the exception of the.Moon and an occasional comet or asteroid.
S: When Venus is at its nearest to the Earth, it is only 26 million miles away.

2. S₁: Why then, do sharks attack?
S₆: Attacks of this kind may be generated by a, swimmer who unwitting~y interrupts a courting procedure, trespasses in a shark's territory and cuts off its escape route.

P: "The only way s shark can warn you is with its mouth and teeth," says Baldridge.
Q: In murky water it may simply be a case of mistaken identity.
R: Snork bumps and open - mouthed slashings are ways of trying to frighten you off.
S: But the most persuasive explanation is that they perceive their victim as a threat.

3. S₁: In the present day it is not necessary that generals or great officers should fight with their own hands, because it is their duty to direct the movements of their followers.
S₆: Robert Bruce was so remarkably active and powerful that he came through manypersonal dangers.

P: But in the ancient times, kings and great lords were obliged to put themselves into the very front.
Q: Therefore, it was of great consequence that they should be strong men and dexterous in the use of their arms.
R: The artillery and the soldiers shoot at the enemy, and men seldom mingle and fight hand to hand.
S: They fought like ordinary men with the lance and other weapons.

4. S₁: It is regrettable that there is widespread corruption in the country at all levels.

P: So there is 'hardly anything that the government can do about it now.
Q: And there are graft and other malpractices too.
R: The impression that corruption is a universal phenomenon persists and the people do not cooperate in checking this evil.
S: Recently several offenders were brought to book, but they were not given deterrent punishment.
S₆: This is indeed a tragedy of great magnitude.

5. S₁: Of the various kinds of insect defences that of the North American fungus - eating beetle is quite unusual.
S₆: The beetle's chemical secretion keeps the deer mouse at bay.

P: Both ants as well as mammals such as deermice feed on this beetle.
Q: This little beetle is able to recognize the kind of predator coming towards it and accordingly adopts a suitable defence.
R: When facing a deermouse, the beetle secretes an irritant from certain glands in its abdomen.
S: While the beetle simply rolls itself into a compact ball in the face of an ant attack, it copes with the deer mouse differently.

6. S₁: Widowhood in India used to be specially miserable.
S₆: Today nobody looks upon remarriage of widows with disgust or disapproval.

P: There were widows even in ages ranging from five to ten.
Q: A widow was a widow always.
R: However, several communities began to rebel against the illtreatment of widows.
S: She could not marry ugain however tender in age she might be.

7. S₁: Production of c6ins starts with the buying of unmixed metals and their testing by the Assay Department.
S₆: The blanks are heated to soften them, then rolled so that the rim is raised, and are stamped with the design of the coin.

P: These ingots are reheated until the temperature is hot enough f6r hot rolling.
Q: During this stage, the ingots pass through a series of rollers until they form long, thin sheets which are the thickness of a coin.
R: From these thin strips, blank discs are punched.
S: Then the metals are alloyed in oil fired or electric arc furnaces, and cast into ingots 40 cm wide, 15 cm thick and 6 m long.

8. S₁: During the Middle Ages the manufacture of cloth was divided amongst a number of associations of skilled workers who performed different operations required ih its production.
S₆: This was one of the reasons why the industry flourished in such rich countries as Flanders, Italy and Britain.

P: But the association of skilled workers lacked capital to buy it.
Q: Consequently, he began to assume the role of ther employer.
R: With the mechanisation of these operations, complicated apparatus became necessary for economic production.
S: The banker, therefore, stepped in to finance the industrialisation of these operations.

9. S₁: Progress and success are attained in slow degrees.
S₆: However, we must realise the truth that perfection is attained in slow proportions to the amount of labour put in by us.

P: But slow progress makes us grow impatient, disheartened and discouraged.
Q: The general tendency is to find fault with the system.
R: It is for this reason that people condemn and criticise the government.
S: People expect miracles and nothing short of a magical transformation can convince them.

10. S₁: Most people know that economics deals with such items as population, natural resources, incomes, tariffs, money and prices.
S₆: From this view, human behaviour is seen as activity directed towards the achievement of various objectives through the use of various resources.

P: Instead, it is how it organises and analyses its materials; it is the perspective from which it views the world that makes it a special field of study.
Q: However, it is not what economics deals with that makes it a distinctive science.
R: Indeed, the list of topics can be greatly extended.
S: Economics is a particular view of reality.