A scientist does not accept statements which are not based on the most complete evidence available. Instead, he always checks, s

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问题 A scientist does not accept statements which are not based on the most complete evidence available. Instead, he always checks, studies and makes experiments carefully and objectively to ______ them.

选项 A、testify
B、verify
C、affirm
D、assert

答案B

解析 verify:make sure that sth.is true,“证实”、“证明”;testify:give evidence,“作证”、“提供证据”,如:Her tears testified her grief 她的眼泪证明了她的悲伤。affirm:declare firmly,“断言”、“肯定”,如:He affirmed his love for her.他肯定他爱她。assert:declare,“宣称”、“断言”。
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