Question 9:What is the best summary of the article?
A Dutch microbiologist named Hendrik Jonkers became interested in investigating how bacteria might be applied to concrete to fill cracks in concrete caused by water. He developed a self-healing bioconcrete that works to make concrete more durable
Question 4:What is paragraph 1 mostly about?
The unusual conditions in which some plants can survive
Question 6: Which statement best expresses the main idea of paragraph 3?
Concrete has been and continues to be an important building material
Question 15: Which of these ideas is emphasized by the simile in lines 7 and 8?
New poems do not come to mind right away.
Question 13: What is one problem presented about bioconcrete that is not presented about endophyte fungi?
Bioconcrete is expensive to produce.
Question 5: An idea emphasized throughout the selection is that Rodriguez’s endophyte solution —
can restore a plant’s natural resistance to the effects of a harsh climate
Question 1:Which characteristic of the geothermal vents made the survival of nearby plants so surprising?
B The heat they generate
Question 7:The information in paragraph 6 helps the reader understand that bioconcrete —
is effective in repairing water damage
Question 16: Read the dictionary entry.
afford \Ǩ-Ɏf˙ord\ v 1. to bear the financial cost of 2. to be able to spare or give up 3. to provide for another 4. to be the cause or source of
Which definition best matches the way the word afford is used in line 4?
Definition 2
Question 12: Read this sentence from paragraph 5 of “Persevering Plants.”
Rodriguez has tested his endophyte mixture on crops and achieved success. Which sentence from “The Cure for Concrete” shows a similar outcome for bioconcrete?
With the help of Jonkers’ bioconcrete, the lifeguard station has remained intact. (paragraph 6)
Question2: How do the photograph and caption after paragraph 4 help the reader better understand the selection?
They demonstrate the effect endophytes can have on plants.
Question 8: How does the author organize paragraph 1?
By stating a popular belief about bacteria and then disproving it with examples
Question 17: What process is the poet describing when she uses the words “i remove its muddy shoes and rearrange the pillows” in lines 21 and 22?
Revising a poem’s ideas and words
Question 3: How are paragraphs 2 through 4 organized?
They describe the steps Rodriguez followed while researching plants in his laboratory.
Question 10: Read this sentence from paragraph 2.
When a bone breaks in the human body, it is able to repair itself.
What is the most likely reason the author includes this information?
To provide an example of the goal of Jonkers’ research
Question 18: The title of the poem is effective because it suggests that the speaker —
desires more poetry to come into her life
Question 19: What do the contrasting images in lines 17 through 22 suggest?
Writing poetry is often not easy