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单选题

Cet-6-1.6-Exercise 01With information no longer controlled by travel agents or hidden in business networks, the travel industry was revolutionized, as greater transparency helped ______ prices.

A. persisting
B. accustomed
C. slash

单选题

Cet-6-1.6-Exercise 02Innovation, the elixir of progress, has always cost people their jobs. In the Industrial Revolution hand weavers were ______ aside by the mechanical loom. Over the past 30 years the digital revolution has displaced many of the mid-skill jobs that supported 20th-century middle-class life. Typists, ticket agents, bank tellers and many production-line jobs have been dispensed with, just as the weavers were.

A. swept
B. controlled
C. benefits

单选题

Cet-4-1.6-Exercise 01The U.S. Department of Education is making efforts to ensure that all students have equal access to a quality education. Today it is ______ the launch of the Excellent Educators for All Initiative. The initiative will help states and school districts support great educators for the students who need them most.

A. consumes
B. announcing
C. prevent

单选题

Cet-4-1.6-Exercise 02There, among the photos of current faculty members and students, are portraits of the current head of the department, Marjorie Shapiro, and four other women whose research ______ everything from the mechanics of the universe to the smallest particles of matter.

A. survive
B. assets
C. covers

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