[填空题]Even to those who study mining disasters, last week’s explosion in Soma, Turkey, was shocking. The (26) cause of the explosion is unknown, but it is thought to have started with a spark from electrical equipment that ignited coal dust or methane. The (27) is nearly 300, and dozens of people are still missing. While citizens in Turkey respond with angry protests, engineers around the world are working to prepare fleets of robots to help with the next disaster.
Mine explosions like the one in Turkey are (28) caused when methane gas builds up and (29) , and the flames are carried quickly by flammable coal dust hanging in the air. Other countries like the US and the UK have adopted relatively low-tech (30) prevent explosions and keep them from spreading, such as putting steel boxes around (31) to contain sparks, or spreading stone dust throughout the mine to dilute the coal dust and (32) the flames.
B

[填空题]Even to those who study mining disasters, last week’s explosion in Soma, Turkey, was shocking. The (26) cause of the explosion is unknown, but it is thought to have started with a spark from electrical equipment that ignited coal dust or methane. The (27) is nearly 300, and dozens of people are still missing. While citizens in Turkey respond with angry protests, engineers around the world are working to prepare fleets of robots to help with the next disaster.
Mine explosions like the one in Turkey are (28) caused when methane gas builds up and (29) , and the flames are carried quickly by flammable coal dust hanging in the air. Other countries like the US and the UK have adopted relatively low-tech (30) prevent explosions and keep them from spreading, such as putting steel boxes around (31) to contain sparks, or spreading stone dust throughout the mine to dilute the coal dust and (32) the flames.
B

[填空题]Even those top achievers who had left their field said they had maintained a feeling of pride in

[填空题]与此同时, even those of us who are not scientists have begun to pay attention to air.

[单项选择]According to a study conducted last April, female seniors studying at Boston College left the university with lower self-confidence than when they entered as freshmen.
The study, administered by the Office of Institutional Research, Planning and Assessment at Boston College, examined two surveys: the first of which was taken by students during their freshman year, and the second of which was taken by students exiting their senior year.
Despite reports of high academic achievement, most female students gave themselves weaker self-evaluations in the second survey.
Abbey Clark, a senior and founder of the Boston College chapter (分会) of I AM THAT GIRL, a female-empowerment (赋权) community, says the finding is "startling".
Clark hopes to change the trend by creating an open community that will ignite (点燃) confidence and empowerment in young women.
I AM THAT GIRL, a global community which aims to help girls turn their self-doubt into self-love, is all about celebratin
A. They took two surveys at the same time.
B. They had improved their academic performance.
C. They had lost some confidence in themselves.
D. They always feel the pressure to be perfect.