题目内容

The Native American interpreter Sacajawea was a valuable member of the Lewis and dark expedition in 1805.()

A. very friendly
B. very useful
C. very thoughtful.
D. very wealthy

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One of the greatest breakthroughs for professional women came in 1973 when the field of banking opened up for them.()

A. most serious disappointments
B. most significant advances
C. most abrupt declines
D. most crucial situations

名词解释:维度

Solid geometry has enabled astronomers to calculate the positions of the heavenly bodies relative to one another.()

A. on top of
B. next to
C. in spite of
D. with respect to

An oversight 遗漏 (miss, overslaugh) in proofreading often results in printed errors.()

An inconsistency
B. A discrimination
C. A blotch
D. An inattention

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