growth of ACP populations. They have also helped lower the number of psyllids in southern California. And they help to control the psyllid population in Florida.
However, these wasps and other psyllid attackers cannot prevent the spread of citrus greening by themselves.
Another substance used to control ACP populations is the chemical pheromone that psyllids release in order to attract mates. This chemical is placed in traps to catch and kill psyllids without baiting other insects. Samples of the substance are inexpensive, but they work for only 30-42 days.
In the Passage, review the underlined sentence on page 3. Why does the author include the words "but" and "only"?
to suggest that researchers should focus on improving pheromone samples
to suggest that traps with pheromone samples are safer than other types of bait
to suggest that pheromone samples have important drawbacks
to suggest that pheromone samples are too weak to have any effect
Note: The underlined sentence is “Samples of the substance are inexpensive, but they work for only 30-42 days.”
The author includes the words "but" and "only" to suggest that pheromone samples have important drawbacks. The sentence highlights the limitation of the pheromone samples, specifically their short duration of effectiveness.
candidate. More than 60 percent approved of interracial marriage. And 80 percent said they did not care whether their neighbors were white or black.
The dream King expressed at the March on Washington is now part of the U.S. political mainstream. His birthday is a national holiday on which Americans honor his ideas and his memory. His legacy is commemorated with a memorial in the nation's capital, near those dedicated to Abraham Lincoln, Thomas Jefferson, and Franklin Delano Roosevelt....
The universal significance of the events of August 28, 1963, was underscored by Height.
"Wherever I have been in the world these last 40 years, it's incredible to me how much
How does the underlined sentence on page 5 help to refine the author's ideas about King?
It places King in a category with some of America's strongest leaders.
It implies that King might have lived to become president of the United States.
It contrasts King's contributions with those of other great American leaders.
It suggests that King's ideas influenced the policies of several U.S. presidents.
Note: The Underlined sentence is “His legacy is commemorated with a memorial in the nation's capital, near those dedicated to Abraham Lincoln, Thomas Jefferson, and Franklin Delano Roosevelt....”
The underlined sentence on page 5 helps to refine the author's ideas about King by placing him in a category with some of America's strongest leaders. The sentence suggests that King's legacy is memorialized in a similar fashion to Abraham Lincoln, Thomas Jefferson, and Franklin Delano Roosevelt, who are widely regarded as influential and important figures in American history.
U.S. civil rights history, but also in American history. It resulted in a new determination to move toward equality, freedom, and greater employment for people of color."
According to Height, "The real significance of the march, and the speech, was that it changed attitudes. Righteous indignation against racial discrimination became widespread after the march. It led to a time so full of promise and achievement. You could feel it."
Less than a year after the march, President Lyndon Johnson signed into law the 1964 Civil Rights Act, which banned discrimination in public facilities, such as hotels and
restaurants, and also prohibited employment
Reread the underlined sentence on page 3.
What central idea of the passage is BEST developed by this detail?
King's speech had an extensive impact in changing public opinion.
Voting laws were changed after legislators heard King's remarks.
Outrage was a common public reaction to King's speech.
King's remarks were well received by listeners of all races.
Note: The underlined sentence is “Righteous indignation against racial discrimination became widespread after the march.”
The central idea of the passage that is best developed by the underlined sentence is that King's speech had an extensive impact in changing public opinion. The sentence states that "righteous indignation against racial discrimination became widespread after the march," indicating that King's speech sparked a significant shift in public attitudes and perceptions towards racial discrimination.
The sweeping legal changes seemed abrupt to some Americans, and U.S. communities struggled to catch up. In a 1963 Newsweek poll, 74 percent of whites said racial integration was "moving too fast," a viewpoint that seems shocking today when attitudes are very different. By 2000, a New York Times poll reported 93 percent of whites said they would vote for a qualified black presidential candidate. More than 60 percent approved of interracial marriage. And 80 percent said they did not care whether their neighbors were white or black.
Reread the paragraph that begins at the bottom of page 4 and ends at the top of page 5. Which statement is supported by the data given in this paragraph?
U.S. communities embraced change soon after King's speech.
King's speech changed people's minds about voting for a Black president.
U.S. views on marriage changed less than views on other race-related issues.
Changes in attitudes toward race took time but were dramatic.
Note: I already gave you the paragraphs that begins and the bottom of page 4 and ends at the top of page 5