单项选择题

Ms. Benihana is knowledgeable in several disciplines, but especially biomedical engineering is
her area of ( ).

A.expert
B.expertise
C.experts
D.expertness
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单项选择题
The CEO of Star Records announced plans for aggressive expansion, saying the company will purchase ( ) new properties in the next two years.
A.many
B.little
C.much
D.any
单项选择题
Questions 41-43 refer to the following letter.Memory Map Gameby Riven Learning Co.DescriptionFor 1-6 players, 5-11 years old Children can ______ their observation and memorization skills with this puzzle that features a colorful picture map of a city
A.cause
B.study
C.practice
D.manufacture
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