单项选择题

The research committee ______ representatives from countries that have their researchers and scientists stationed in Antarctica on a constant basis.

(A) is made of
(B) is consisted of
(C) is composed of
(D) is formed of
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单项选择题
In January 1981, in the ______ of the Iran-Iraq War, oil giant Exxon announced that it would pour $11 billion into investment and exploration in overseas markets.
(A) wake
(B) make
(C) sake
(D) take
单项选择题
What is the main idea of this business report
A．More lay-offs are inevitable.
B．The expenses are up in every department.
C．Lay-offs have been necessary.
D．Profits are down this quarter.
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