问题
单项选择题
变压器并联运行时，需变压比相同，其允许误差不超过正负（）%。
A.0.2
B.0.5
C.1
D.5
答案
参考答案：B
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变压器并联运行时，需变压比相同，其允许误差不超过正负（）%。
A.0.2
B.0.5
C.1
D.5
参考答案：B
根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑。选项中有两项多余选项。（共5小题；每小题2分，满分10分） —Taxi ! —Where are you going, madam? —Battery Park, please. But can you make a stop at Union Square? 小题1: . —Of course. —How long will it take to go there? —Well, that depends on the traffic, you know. 小题2: —Can you make it in fifteen minutes? 小题3: —OK, I’ll try. Where exactly is your friend waiting at that place? —On 14th Street. Oh, we're already at 16th Street. 小题4: —Oh , you've got it. —I think she’s around here. 小题5: Ah, there she is! Just in front of the bookshop. Sally!
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