The passage mainly discusses Rachel Carson’s work _________.

It can be inferred from paragraph 4 that silent films ________.

According to the passage, which of the following would be considered traditional elements of Western music ?

The phrase “trend of” in line 5 is closest in meaning to which of the following?

According to paragraph 2, market research includes ________.

The word “wider” in line 1 is closet in meaning to ________.

With what topic is the passage primarily concerned?

It can be inferred from paragraph 2 that advertisers must ________.

The phrase “in a new light” in bold type in paragraph 5 is closest in meaning to ________.

Which drugs are used for the preparation of the mass energy consumption?

The word “adversely” in the first paragraph is closet in meaning to ________.

The phrase “those forms” in the passage refers to all of the followings EXCEPT ___________.

What is the phrase “this purpose” in paragraph 3 means?

According to the passage, Silent Spring is primarily ________.

According to the passage, the frame buffers mentioned in the third paragraph are used to ________.