超星 - Unit 2 Comprehensive Test(北外版本测试) - 查题吧

单选题

The ice cream cone, the hamburger, and the iced tea were all introduced at the 1904 Louisiana Purchase Exposition, _____ known as the St. Louis Fair.

A. accidentally
B. unofficially
C. incorrectly
D. occasionally

单选题

Farmers have always had a particular interest in the weather, because it _____ their work.

A. accelerates
B. effects
C. affects
D. exerts

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