Topic Sentences - Purpose and Supporting

What's the purpose of this topic sentence?

Almost anyone can get a good grade if they follow these instructions.

• express an opinion

• tell steps in a process

• narrate a story

• tell a joke

What's the purpose of this topic sentence?

There are three major causes of obesity in children.

• narrate a story

• describe a topic

• explain causes/effects

• compare two subjects

What's the purpose of this topic sentence?

I will always remember a fishing trip that I took with my father when I was 12 years old.

• compare two subjects

• explain causes/effects

• narrate a story

• tell steps in a process

What's the purpose of this topic sentence?

I believe that students should not own credit cards.

• express an opinion

• tell steps in a process

• narrate a story

• explain causes/effects

What's the purpose of this topic sentence?

Owls are different from hawks in several significant ways.

• narrate a story

• describe a topic

• express an opinion

• compare two subjects

What's the purpose of this topic sentence?

My dog, Snoopy, is my best friend.

• tell steps in a process

• describe a topic

• compare two subjects

• express an opinion

Select the sentence(s) that support the topic sentence.

There are several reasons why online courses are increasing in popularity.

• a. Online courses are flexible in terms of time.

• b. Online courses have been available since the 1990s.

• c. Online courses are more convenient for students who live far away.

• d. Nobody takes online courses.

Select the sentence(s) that support the topic sentence.

Childhood diabetes has many possible causes.

• a. Obesity is a major cause of diabetes.

• b. Children who eat too much sugar can get diabetes.

• c. It's the parents' fault when a child develops diabetes.

• d. Children with diabetes need constant medical care.

Select the sentence(s) that support the topic sentence.

The best way to reduce traffic in our city is to build a metro subway system.

• a. A subway system can significantly increase a city's transportation capacity, thereby alleviating strain on roads and highways.

• b. Widening the freeways has not solves the problem of traffic congestion.

• c. A metro subway system would encourage people to take public transportation to work.

• d. Pollution is very bad in our city.