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≥学网 学科网 EXK. COM)网校通名校系列资料 上学科网,下精品资料! They giggle at this and their mom smiles. T've been asked by friends whether I know the students' immigration stories. I don't ask, I'm here to help them learn English. Their lives often are not easy. Over the past year. one woman got divorced, and another's husband suffered a stroke. A thirds husband. a truck driver, was in a horrific accident that left him homebound for more than nine months. But, these students rarely miss a class 24. What can be learnt about the students? A. They are all women over 23 B. They all have children and jobs C. They are a big trouble to the teacher D. They are busy and miss classes regularly. 25. What does the underlined word "trudges probably mean? A Walks heavily B. Runs quickly. aves happily D Dashes suddenly. 26. Why doesn't the author know his students' immigration stories? A. They are unwilling to tell the author B. The author doesn't like miserable stories C. They fear their stories will affect the teaching. D. The author focuses on teaching them English wel 7. How does the author feel about the teaching job? B. Helpless, C. Delighted D, Regretful A new app aims to help parents interpret what their baby wants based on the sound of their ery. The free app Chatter Baby. which was released last month, analyzes the acoustic(*a) features of a baby's cry,to help parents understand whether their child might be hungry, fussy or in pain. While critics say caregivers should not rely too much on their smartphone, others say it's a helpful tool for new or tired parents. Ariana Anderson. a mother of four, developed the app. She originally designed the technology to help dead parents better understand why their baby was upset, but soon realized it could be a helpful tool for all new parents. To build a database, Anderson and her team uploaded 2, 000 audio samples of infant ($ JL) cries. She used cries recorded during ear piercings and vaccinations to distinguish pain cries. And to create a baseline