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【单选题】
若 cosx=0,则角x等于( )A.
A．kπ（k∈Z）
B.
+kπ（k∈Z ）
C.
+2kπ（k∈Z ）
D.
+2kπ（k∈Z ）
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反馈参考答案：
举一反三
【判断题】To the speaker, the British don't really like officials just because they can ask the officials how much money they earn, or how old they are.
A.
正确
B.
错误
【单选题】British ministers and officials will ( ) most European Union (EU) meetings from Sept. 1, the British government announced here Tuesday.
A.
trudge
B.
boycott
C.
deny
D.
decline
【简答题】The ____IRA separated from the officials, because they felt that ____was the only way to get the British out.
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