[单项选择]（） in universities around the nation has more than tripled compared to this time last year.
A. Enroll
B. Enrolls
C. Enrolling
D. Enrollment

[单项选择]

Throughout the nation’s more than 15,000 school districts, widely differing approaches to teaching science and math have emerged. Though there can be strength in diversity, a new international analysis suggests that this variability has instead contributed to lackluster (平淡的) achievement scores by U.S. children relative to their peers in other developed countries.
Indeed, concludes William H. Schmidt of Michigan State University, who led the new analysis, "no single intellectually coherent vision dominates U.S. educational practice in math or science. ’ The reason, he said, "is because the system is deeply and fundamentally flawed."
The new analysis, released this week by the National Science Foundation in Arlington, Va. , is based on data collected from about 50 nations as part of the Third International Mathematics and Science Study.
Not only do approaches to teaching science and math vary among individual U.S. communities, the
A. focused on tapping students' potential
B. characterized by its diversity
C. losing its vitality gradually
D. going downhill in recent years

[单项选择]It is pretty obvious that more than one person has ______ this affair.
A. laid a hand on
B. had a hand in
C. got the upper hand of
D. got into the hands of

[单项选择]More than one friendly whale has nudged a boat with such ______ that passengers have been knocked overboard.
A. enthusiasm
B. lethargy
C. hostility
D. serenity
E. animosity

[单项选择]The writer has known the barber for more than four years.

[单项选择]It has been agreed last month that more than usual could be ______ on office supplies.
A. purchased
B. depended
C. spent
D. afforded

[单项选择]Janet has been in this large company for more than twelve years, （　） as a sales manager.
A. work
B. working
C. worked
D. to have worked

[单项选择]In some societies a man has more than one wife and the first one is more important than the others.

[单项选择]"This park has more than 200 waterfalls that are 15 feet or higher. And 150 of them have never been mapped or photographed," says park historian Lee Whittlesey. "Now that's a ______ to the size of Yellowstone."
A. proposition
B. hypothesis
C. ceremony
D. testimony

[单项选择]In a little more than 200 years, Australia has ______ some drastic social and economic changes.


A. taken
B. made
C. got
D. seen