The designers had to experiment with type to_____that all of the pages on the line would be readable’ on average computer monito

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问题 The designers had to experiment with type to_____that all of the pages on the line would be readable’ on average computer monitors.

选项 A、verify
B、ensure
C、certify
D、pledge

答案B

解析 词汇题。verify意思是“查证,核实”,verify the figures of a report,核实报告中的数字;certify意思是“证明,保证”的意思。pledge则表示“发誓”。句中需要的是“确保”的含义。
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