单项选择题

The engineers have used special methods to （） the bridge against danger from high winds.

A. suppress
B. lubricate
C. heave
D. ensure

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单项选择题
The title which best expresses the main idea of the text would be ______.
A. Disadvantages of Globalization in Economic Area
B. People’s Responses to the Impacts of Globalization
C. Influence of Globalization on the Economy and Culture
D. Different Roles of Globalization in the Development of Economy
单项选择题
He collects （） of all kinds of rocks and minerals.

A. specimens
B. timbers
C. serpents
D. trunks
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