A well-graded aggregate contains（）
A. Mostly particles passing the 4.75mm sieve
B. Particle sizes which are primarily within a small band
C. A range of particles sizes that are missing
D. Particles of all sizes in good distribution
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When the slump of fresh concrete does not meet the requirement, the right way to improve workability is（）
A. Increasing cement paste under same W/C condition
B. Decreasing cement paste under same W/C condition
C. Adjusting cement paste under same W/C condition
D. Increasing or decreasing water quantity
The Hundred Years’ War was a series of armed conflicts between____（）
A. England and France
B. France and Germany
C. England and Germany
D. Italy and France
During his reign,____ tried every means to improve the state of education, such as founding colleges, and importing teachers from Europe（）
A. King Arthur
B. King Alfred
C. King Edmund
D. William the Conqueror
____is a the oldest surviving epic poem in the English language and the most important work of Anglo-Saxon literature（）
A. Beowulf
B. The Ecclesiastical History of the English People
C. The Anglo-Saxon Chronicle
D. Elene
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