Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

Scott Joplin and Bessie Smith were _______.

A. famous ragtime musicians

B. people who really began the American musical traditions

C. artists who inspired many musicians today

D. songwriters who wrote blues songs

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

Scott Joplin and Bessie Smith were _______.

A. famous ragtime musicians

B. people who really began the American musical traditions

C. artists who inspired many musicians today

D. songwriters who wrote blues songs

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

Scott Joplin and Bessie Smith were _______.

A. famous ragtime musicians

B. people who really began the American musical traditions

C. artists who inspired many musicians today

D. songwriters who wrote blues songs

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

The word "They" in paragraph 2 refers to ______.

A. human-related effects

B. some species

C. low birthrates

D. natural obstacles

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

The word “they” in the last paragraph refers to _______.

A. today’s musicians

B. Scott Joplin and Bessie Smith

C. the musicians’ music

D. the names of the earliest African-American singers

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

The word “they” in the last paragraph refers to _______

A. today’s musicians

B. Scott Joplin and Bessie Smith

C. the musicians’ music

D. the names of the earliest African-American singers

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

The word “they” in the last paragraph refers to _______.

A. today’s musicians

B. Scott Joplin and Bessie Smith

C. the musicians’ music

D. the names of the earliest African-American singers

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

Which of the following can be inferred from the passage?

A. Animal and plant species which pose threats to humans will die out soon.

B. Saving popular animal and plant species should be given a high priority.

C. Humans will make changes in their lifestyles to save other species.

D. The dilemma humans face between maintaining their lives and saving other species remains

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

Which of the following can result from the loss of one species in a food chain?

A. The connections among the creatures in the food chain become closer.

B. Larger predators will look for other types of prey.

C. There might be a lack of food resources for some other species.

D. Animals will shift to another food chain in the community.

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions.

According to the passage, which of the following statements is NOT true?

A. Humans have difficult choices to make about saving endangered species.

B. The existence of humans is at the expense of some other species.

C. No other species can threaten the survival of humans on Earth.

D. Some animals and plants cannot survive without human help.