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, statements and make 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";affirm:declare firmly,"断言,肯定";assert:declare,"宣称,断言"。
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