1. PART A: Which statement best expresses the central idea of the text?

A

The types of food people eat and the way that it is produced has varying costs for the environment, ranging from releasing pollution to wasting resources.

B

People tend to buy food that is a low cost to themselves, however, this type of food is usually produced in a way that is costly to the environment.

C

The only way to reduce the emission of greenhouse gases is for the biggest meat eaters to convert to vegetarian or vegan diets.

D

People don’t have to change what they eat to help the environment, just how their food is farmed or raised.

A. The types of food people eat and the way that it is produced has varying costs for the environment, ranging from releasing pollution to wasting resources.

Explanation:

This question is about "Your Food Choices Affect Earth's Climate".

Through the question of the text, we can perceive the impact of our food on the environment, but we also understand the dependence that our food has on this same environment. This reinforces the idea that we must promote conscious explorations as a way of maintaining our existence. In summary, we can say that the central idea of the text is "The types of food people eat and the way that it is produced has varying costs for the environment, ranging from releasing pollution to wasting resources. "

animal farm, written by george orwell, is a representation of russia after the revolution that led stalin to take over power.

in this excerpt, the central idea seems to be that the animals (a representation of society), when they believe to be working for a greater good and equality, are obedient and productive. they were convinced that, after expelling the owner (jones) from the farm, they would live in harmony and be fairly treated.

as we know, the pigs become the leaders and grow more selfish and dictatorial with time. in the end, they look and act in a way so similar to humans that it is impossible to tell the difference. the ideals of equality are shattered, and the farm turns out to be worse than it was before. the animals are manipulated with false propaganda and forced to work in order to enrich the pigs.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).