Unit 1 Lesson 4 The Great Serum Race

An illness that affects a lot of people is an

• untreated

• epidemic

• absorbent

• illustrate

A word that means about the same as eerie is

• mysterious.

• gratitude.

• loneliness.

• composition.

What does the word treacherous most likely mean in this sentence? The hikers knew there was a treacherous canyon ahead.

• beautiful

• unexplored

• snowy

• dangerous

When sick people are separated from healthy people, it is called

• radiation.

• opportunity.

• interference.

• quarantine.

What are mushers?

• friends you can depend on

• workers who remove snow and ice

• people who guide dog sleds

• firefighters and other rescue workers

The following question has two parts. First, answer Part A. Then, answer Part B. Part A How did Dr. Welch first respond when Gunnar arrived?

• He was completely surprised.

• He was still worried about the people.

• He thought it was too late.

• He knew that the mushers could do it.

The following question has two parts. First, answer Part A. Then, answer Part B. Part B Which sentence from the selection best supports your answer for Part A?

• The next day, both children died.

• When Gunnar knocked on the door, Dr. Welch greeted him with a stunned face.

• But this time, Dr. Welch could examine Bessie's throat.

• This fast-spreading disease could wipe out the entire community of more than 1,400 people.

How did Gunnar almost lose the serum?

• Gunnar's fingers were frostbitten.

• The frozen sea ice broke up.

• Some of the dogs collapsed.

• A gust of wind blew the sled over.

What method of transportation was used for the first leg of the journey?

• plane

• train

• boat

• car

Why did Bill Shannon warm the serum?

• It was too cold to handle safely.

• His mitts were frozen to the sled handles.

• Freezing would make the serum useless.

• Some of the dogs had frozen lungs.