1. Which of the following statements is an opinion? A. Scientists have learned that it stimulates brain development B. Studies have shown that children who learn an instrument tend to C. For all of these reasons, all students should learn to play an instru D. Beethoven was a composer during the 1800s. 2. Which of the following is not a benefit of music, as stated in the p A. it stimulates brain development B. it helps children gain self-confidence C. it can become a lifelong hobby or career D. it helps students make friends 3. Based on the passage, what can you infer? A. Playing in band is more beneficial than playing in orchestra. B. There have been several studies about the effects of music. C. The author is a professional musician. D. Learning a new language is another way to stimulate brain de 4. What is the author's tone in this passage? A. opinionated B. disapproving C. indifferent D. humorous t © 2019 Emma Oliver all rights reserved by author​

The “big dig” the “big dig” (the central artery/tunnel project) has been complex and challenging. located in boston, massachusetts, this tunnel is eight lanes wide and three-and-a-half miles long. what is most amazing about this tunnel is that it is constructed under a major highway and skyscrapers located in boston’s financial district. construction crews used “clamshell excavators” during this dig. these machines carved narrow trenches, and then a special substance was pumped into the trench to keep the dirt from caving in. finally, steel beams were lowered into the trench and concrete was pumped in. one problem that engineers faced while constructing the tunnel is the fact that the soil beneath boston is extremely loose and soggy. engineers solved this dilemma by freezing the soil and pumping very cold water into pipes beneath the city. to strengthen the soil even further, a special type of glue was injected into the ground to with the consolidation of the soil. 23 which phrase best defines the word excavator as used in the passage? a. a device used to measure underground temperatures b. a device used to level uneven surfaces c. a device used to move heavy objects d. a device used to dig holes